Alumni Profiles

David M. Berman, M.D., Ph.D. David M. Berman, M.D., Ph.D.
AP Resident: 1996-1998
Chief Resident: 1998-1999
Postdoctoral Fellow: 1999-2001

Dr. Berman is a clinician-scientist specializing in urologic surgical pathology whose highly cited cancer research spans a wide range of topics, including mouse models, cancer biology, genomics, predictive and prognostic biomarkers, and best practices in surgical pathology. He earned his MD and PhD degrees at the University of Texas Southwestern Medical Center where he cloned the gene that encodes a crucial enzyme in male urogenital development, steriod 5-alpha reductase type 2. He performed residency training and served as chief resident in Anatomic pathology at The Johns Hopkins Hospital, and completed subspecialty training urologic pathology. His postdoctoral training in molecular biology and genetics helped establish targeted therapy for the Hedgehog signaling in cancer. His independent laboratory at Johns Hopkins was the first to establish genomic features of embryonic signaling in prostate cancer and to identify bladder cancer stem cells.

In April of 2012, Dr. Berman moved his laboratory and pathology practice to Queen's University in Kingston, Ontario to pursue high impact biomarker discovery in urologic malignancies. Recently, he lead a team of 7 laboratories that formed the biomarker discovery component of a 5 year, 5 million dollar prostate cancer research grant from Prostate Cancer Canada. Dr. Berman's published work has garnered over 7,000 citations in the biomedical literature. He has served on and chaired numerous grant and advisory panels in the United States and Canada, lead international courses and symposia in pathology and cancer research. Currently, Dr. Berman is the director of Queen's University Cancer Research Institute and chairs the Advanced Diagnostics Section of the Canadian Association of Pathologists.



Daniel J. Brat, M.D., Ph.D. Daniel J. Brat, M.D., Ph.D.
AP Resident: 1994-1997
Neuropathology Fellow: 1997-1999

Dr. Brat received his M.D., Ph.D. from the Mayo Medical and Graduate Schools. He then completed a residency in Anatomic Pathology and a fellowship in Neuropathology at Johns Hopkins Hospital. He joined the Department of Pathology and Laboratory Medicine at Emory University in 1999 and is now a Professor and Vice Chair of Translational Programs as well as the Director of the Neuropathology Division. He is a member of the Cancer Cell Biology Program of the Winship Cancer Institute and directs a basic and translational research lab that investigates mechanisms of glioma progression, including the contributions of hypoxia, genetics, tumor microenvironment and stem cells. His laboratory has been continuously funded by the NIH and the Georgia Research Alliance as a Distinguished Cancer Scholar. He also leads the scientific efforts of the In Silico Center for Brain Tumor Research at Emory, which uses large scale clinical and molecular databases, such as The Cancer Genome Atlas (TCGA), to address fundamental questions in human glioma behavior. He has over 16 years of experience in brain tumor research and has written more than 200 peer-reviewed manuscripts and reviews. He has also co-authored two textbooks in Neuropathology: Practical Surgical Neuropathology: A Diagnostic Approach and Biopsy Interpretation of Central Nervous System. Dr. Brat is the Director of the Cancer Tissue and Pathology Shared Resource at Winship, which includes a full service histology laboratory and a tissue procurement service. He is Board certified in Anatomic and Neuropathology and understands the critical issues in current neuro-oncology practice and research. He sits on five Editorial Boards and has served on numerous committees that oversee translational investigation in Oncology and Pathology, including the TCGA Glioblastoma and Lower Grade Gliomas (Co-Chair) Working Groups; the College of American Pathologists (CAP) Neuropathology Committee (Chair) and Council on Scientific Affairs; the Executive Council of the American Association of Neuropathologists; the Board of Directors for the Society of Neuro-oncology; and the WHO Committee for Classification of Brain Tumors. He is a member of the American Society for Clinical Investigation.



Orin Buetens, M.D.
AP/CP Resident: 1997-2001
Surgical Pathology Assistant: 2001-2002
Transfusion/Blood Banking Fellow: 2002-2003

Dr. Buetens is the president of Dahl-Chase Pathology Associates/Dahl-Chase Diagnostic Services, located in Bangor, Maine (www.dahlchase.net). He also serves as section director of transfusion services at Eastern Maine Medical Center and laboratory medical director of Sebasticook Valley Hospital in Pittsfield, Maine and Mayo Regional Hospital in Dover-Foxcroft, Maine. He previously served as medical director of Affiliated Laboratory Inc., in Bangor, Maine and the Eastern Maine School of Medical Technology from 1/2006-3/2011.

Dr. Buetens received both his B.S. and M.D. degrees from Tufts University where he was elected into the Alpha Omega Alpha (AOA) Honor Medical Society. He came to the Johns Hopkins Hospital in 1997 for the combined AP/CP residency. Following residency, he stayed at Hopkins to serve as an assistant in surgical pathology (2001-2002) and then as a fellow in Transfusion Medicine/Blood Banking (2002-2003).

Dr. Buetens is board certified in anatomic and clinical pathology and transfusion medicine/blood banking. He lives in Orono, Maine with his wife, 3 children and Pug dog.



Kathleen Burns, M.D., Ph.D. Kathleen Burns, M.D., Ph.D.
CP Resident: 2004-2007
Chief Resident: 2006-2007

Dr. Burns is an Associate Professor of Pathology. She was recruited to Johns Hopkins in 2004 for residency and fellowship training in clinical pathology and hematopathology after completing the M.S.T.P. at Baylor College of Medicine. The Burns research laboratory studies repetitive sequences in mammalian genomes and roles mobile DNAs play in human disease. Her research group is generating tools for characterizing these understudied structural variants in genomes, and Dr. Burns has a special interest in how inherited variants impact gene expression and predispose to disease. The lab employs a broad range of high throughput technologies as well as transgenic mice to understand high copy number repeats, their stability and expression in genomes, and to model functional effects of these sequences.

Dr. Burns developed her research program with mentorship from Jef Boeke and faculty in the Department of Pathology and the McKusick-Nathans Institute of Genetic Medicine concurrent with her clinical training. As a junior faculty member, she was supported by a K08 award from the National Cancer Institute and a career award from the Burroughs Wellcome Fund. Today, her group is funded by the National Cancer Institute and the National Institute of General Medical Sciences as well as the Department of Defense. Dr. Burns's current trainees include several Ph.D. students, postdoctoral fellows, and clinical fellows; she also has mentored JHU pathology resident Dr. Nemanja Rodic in his postdoctoral research. Dr. Rodic is currently a dermatopathology fellow at Yale School of Medicine.

Dr. Burns is board certified in clinical pathology and hematology and attends regularly on the hematopathology diagnostic service. She is involved in resident teaching and serves as the faculty advisor for a year-long protected research position available to residents in our Department.



Dengfeng Cao, M.D.,Ph.D. Dengfeng Cao, M.D.,Ph.D.
AP/CP resident: 2001-2005
Surgical Pathology Assistant: 2005-2006
Gynecologic Pathology Assistant: 2006-2007

Dr. Cao is currently an associate professor of pathology and immunology at Washington University School of Medicine in Saint Louis. He got his M.D. from Peking Union Medical College in China and finished his Ph.D. study in University of Pittsburgh. After his residency training at Hopkins, Dr. Cao stayed at Hopkins for advanced subspecialty training, first in surgical pathology under the directorship of Dr. Jonathan Epstein, and then in gynecologic pathology with Dr. Robert Kurman. During his time at Hopkins, Dr. Cao also developed his special interest in pancreatic pathology under the guidance of Dr. Ralph Hruban.

Dr. Cao started his academic career in Washington University School of Medicine in Saint Louis as an assistant professor in 2007 and was promoted to an associate professor in 2012. At Washington University, he directed the research immunohistochemistry lab. Between 2011 and 2014, Dr. Cao directed the Department of Pathology in Peking University Cancer Hospital in China, and between 2014 and 2015 he was a vice chair in the Department of Pathology in the Cancer Hospital of Chinese Academy of Medical Sciences. He returned to Washington University in August 2015.

Dr. Cao is board certified in anatomic and clinical pathology. He is a general surgical pathologist with diagnostic expertise in gynecologic pathology, genitourinary pathology and pancreatic pathology. He conducts clinical and translational research in these areas. Dr. Cao has contributed to two WHO blue books: WHO Classification of Tumours of the Female Reproductive Organs (4th edition, 2014) and WHO Classification of Tumours of Urinary System and Male Genital Organs (4th edition, 2016). He is currently an editorial board member in several pathology journals.



Ashley Cimino-Mathews, M.D. Ashley Cimino-Mathews, M.D.
AP/CP Resident: 2008-2012

Dr. Cimino-Mathews is currently an Assistant Professor of Pathology and Oncology. She obtained her Bachelor of Science with highest honors from Emory University, where she studied breast cancer tumor vaccine development, followed by her Doctorate of Medicine from Weill Cornell Medical College. She subsequently received her residency training in Anatomic and Clinical Pathology here at the Johns Hopkins Hospital, where she subspecialized in breast and surgical pathology during her senior year. She is board certified in Anatomic and Clinical Pathology and is an attending pathologist in general surgical pathology and the breast consultation service.

Dr. Cimino-Mathews is a clinical investigator with a strong commitment to women's health care and breast cancer research. Her primary research aims are to characterize the pathogenesis of breast cancer metastasis by studying the changes seen between a patient's primary and matched metastatic breast carcinoma. Building upon her previous work in tumor vaccine development, she is interested in the role of the patient's own immunologic response in mediating breast cancer development and metastasis. Her secondary research aim is to study the genetic and phenotypic differences of stromal tumors of the breast, which include a range of benign to malignant neoplasms with overlapping clinicoradiologic and pathologic features, but vastly different implications for prognosis.

Dr. Cimino-Mathews is committed to teaching, serving as a female faculty mentor to pre-medical students, medical students , and pathology residents. She is a member of the pathology residency education committee and residency selection committee.



Magdalena Czader, M.D., Ph.D. Magdalena Czader, M.D., Ph.D.
AP/CP Resident: 1997-2001
Chief Resident: 2000-2001
Hematopathology Fellow: 2001-2002

Dr. Czader is a Professor of Pathology in the Department of Pathology and Laboratory Medicine at Indiana University in Indianapolis. She directs the Division of Hematopathology, Clinical Flow Cytometry Laboratory and Indiana University Health Hematology Laboratory including the central and satellite laboratories of the Indiana University campus. Dr. Czader is also the director of the Hematopathology Fellowship Training Program. She received her M.D. degree from Poznan University of Medical Sciences in Poznan, Poland and Ph.D. from Karolinska Institute, Stockholm, Sweden. Dr. Czader completed a residency in Anatomic and Clinical Pathology and served as a Chief Resident at the John Hopkins Hospital. She subsequently completed a fellowship in hematopathology at the John Hopkins Hospital.

After joining Indiana University in 2002, Dr. Czader's clinical research focused on developing new diagnostic approaches to hematopoietic malignancies, integration of hematopathology testing, and laboratory efficiency and safety. Dr. Czader has received funding from the American Cancer Society and Clarian Health, and is a recipient of a K23 Mentored Patient-Oriented Research Career Development Award. Since 2009, she has been involved in the development of leukemia and lymphoma diagnostics at Moi University in Eldoret, Kenya. Dr. Czader has been active in the Society for Hematopathology including organizing a workshop on myeloid neoplasms, serving as a member-at-large and currently as the Secretary/Treasurer of this organization. She has lectured and presented workshops at meetings of the International Clinical Cytometry Society and American Society for Clinical Pathology. Dr. Czader has been active in the Resident In-Service Examination and Fellow-In-Service-Examination Committee of the American Society for Clinical Pathology. She also participated in the MDS Steering Committee of the American Society for Clinical Pathology and in the Hematology Pathology Milestone Project of the Accreditation Council for Graduate Medical Education. Dr. Czader has published articles in many prominent pathology and clinical journals, contributed several book chapters and is an editor of a recent book Methods in Molecular Biology Hematological Malignancies.



Jon Davison, M.D. Jon Davison, M.D.
AP Resident: 2002-2005
Faculty Assistant/GI Fellow: 2006-2007

Dr. Jon Davison received his M.D. from the University of Chicago and completed his pathology residency and fellowship in gastrointestinal pathology at Johns Hopkins. He is Associate Professor of Pathology at the University of Pittsburgh School of Medicine where he practices Gastrointestinal Pathology. He enjoys his work mentoring medical students, residents and fellows. His research focuses on Barrett's esophagus and esophageal cancer where he has an interest in the development and validation of clinically useful biomarkers for risk stratification of patients with Barrett's esophagus, optimal management of early esophageal cancer and novel therapeutic approaches to the treatment of advanced esophageal cancer.



Angelo M. De Marzo, M.D., Ph.D. Angelo M. De Marzo, M.D., Ph.D.
AP Resident: 1994-1997
Chief Resident: 1996-1997

Dr. De Marzo is a Professor of Pathology, Oncology and Urology at The Johns Hopkins University School of Medicine. He is a member of the Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins, where he serves as Associate Director for Pathology Cancer Research. He came to Johns Hopkins in 1994 for a residency in anatomic pathology after completing the M.S.T.P. at the University of Colorado. During his AP training he placed special emphasis on genitourinary pathology under the guidance of Jonathan Epstein, M.D. and then completed a research fellowship with Donald S. Coffey, Ph.D., in 1998. Dr. De Marzo directs a basic/translational research lab in which the group studies molecular mechanisms involved in prostate cancer initiation and progression with particular emphasis on the roles MYC, and PTEN, as well as, the role of inflammation in prostate cancer. This work involves the extensive use of human prostatectomy specimens and cell lines as well as collaborative work on the development and characterization of novel genetically engineered animal models of prostate cancer, and inflammation. The group also works closely with members of the Bloomberg School of Public Health to perform "Patho-Epidemiology" studies. His translational research efforts focus on analytically validating and interrogating biomarker expression in human tissues, where such biomarkers may be used for diagnostic, prognostic, predictive and pharmacodynamic monitoring. Dr. De Marzo is Board Certified in anatomic pathology and his sign-out focuses nearly exclusively on prostate cancer. He also directs the NIH/NCI Prostate SPORE Pathology Core/Biospecimen Bank, and is co-director of the Prostate Cancer Biospecimen Network (PCBN) which is a DOD funded biorepository. Dr. De Marzo has mentored a number of postdoctoral fellows (pathologists, urologists and PhD scientists) who have moved on to academic faculty positions and also serves as a faculty advisor to Pathobiology graduate students and is active in teaching in the Pathobiology Graduate Program.



Robert D. Hoffman, M.D., Ph.D. Robert D. Hoffman, M.D., Ph.D.
AP Resident: 1985-1988

Dr. Hoffman serves as Vice Chair for Graduate Medical Education in the Department of Pathology, Microbiology and Immunology at Vanderbilt University. He serves as Director of the Vanderbilt Pathology Residency Training Program and provides administrative oversight for twelve pathology fellowships. As one of the longest serving pathology program directors in the country, a past Chair of the Program Director's Section of the Association of Pathology Chairs, member of the Pathology Milestones Workgroup of the Accreditation Council for Graduate Medical Education and the American Board of Pathology and current Vice Chair of the Graduate Medical Education Committee of the College of American Pathologists, he has been closely involved with the major changes that have been implemented nationally in Pathology Graduate Medical Education in the past two decades. Dr. Hoffman directs the autopsy services at Vanderbilt University Medical Center and the Nashville VA Hospital, and has a specialty interest in cardiovascular pathology.



Claudio A. Mosse, M.D., Ph.D. Claudio A. Mosse, M.D., Ph.D.
CP Resident: 2001-2004
Chief Resident: 2003-2004
Hematopathology Fellow: 2004-2005

After completing the Medical Scientist Training Program at the University of Virginia, Dr. Mosse began his Clinical Pathology residency at Johns Hopkins in 2001 and completed his Hematopathology fellowship there in 2005. After CP/HP training, he joined the faculty at Vanderbilt University where he is currently an Associate Professor of Pathology, Microbiology and Immunology at Vanderbilt University Medical Center in Nashville, Tennessee. Dr. Mosse also serves as the Chief of Pathology and Laboratory Medicine for the Tennessee Valley Healthcare System VA (TVHS) that serves veterans from northern Georgia through Middle Tennessee and into southern Kentucky. He is also currently the Pathology Lead for Veterans Integrated Service Network 9 that covers 7 VA hospitals in Kentucky, Tennessee and West Virginia.

Dr. Mosse is board certified in Clinical Pathology and Hematology and attends regularly on the Hematopathology service at both Vanderbilt and TVHS. He is involved in medical student, resident and fellowship teaching. He directs the Vanderbilt Hematopathology Fellowship program and is active in the residency-training program as well as in medical student education. Dr. Mosse's clinical research has focused on two areas - the use of flow cytometry to diagnose, prognose and follow hematologic malignancies and the rational utilization of laboratory testing to diagnose and follow hematology malignancies. In addition to his various research articles that have generated over 800 citations, Dr. Mosse has contributed to several texts including Wintrobe's Clinical Hematology, Molecular Pathology of Hematolymphoid Disorders, Decision Support Systems on Laboratory Medicine and the forthcoming text Utilization Management in the Clinical Laboratory and Other Ancillary Services.



Anil Parwani, M.D., Ph.D., M.B.A. Anil Parwani, M.D., Ph.D., M.B.A.
AP/CP Resident: 1999-2003

Dr. Anil Parwani is a Professor of Pathology at The Ohio State University. He serves as the Vice Chair and Director of Anatomical Pathology. Dr. Parwani is also the Director of Pathology Informatics and Director of the Digital Pathology Shared Resource at The James Cancer Hospital. His research is focused on diagnostic and prognostic markers in bladder and prostate cancer, and molecular classification of renal cell carcinoma. Dr. Parwani has expertise in the area of Anatomical Pathology Informatics including designing quality assurance tools, bio banking informatics, clinical and research data integration, applications of whole slide imaging, digital imaging, telepathology, image analysis and lab automation. Dr. Parwani has authored over 250 peer-reviewed articles in major scientific journals and several books and book chapters. Dr. Parwani is the Editor-in-chief of Diagnostic Pathology and one of the Editors of the Journal of Pathology Informatics.



Mary G. Ripple, M.D. Mary G. Ripple, M.D.
AP Resident: 1996-1999

Mary G. Ripple, M.D. is Deputy Chief Medical Examiner for the State of Maryland, assistant residency director at the Office of the Chief Medical Examiner (OCME), and is a clinical instructor in the departments of Pathology and Pediatrics at the University of Maryland School of Medicine, and the departments of Pathology at The Johns Hopkins Hospital, and The Armed Forces Institute of Pathology, guest professor at the Institute of Evidence Law and Forensic Science at China University of Political Science and Law and a special member of the graduate faculty at the University of Maryland Graduate School.

She obtained a Masters in Toxicology and her medical degree from the University of Maryland School of Medicine. She completed her anatomic pathology residency at The Johns Hopkins Hospital and her forensic pathology fellowship at the OCME for the State of Maryland. Dr. Ripple has worked at the OCME since 1999, has performed thousands of medicolegal autopsies and has testified in court on the findings, including one of the 2001 anthrax cases, the Beltway sniper homicides, and the Lululemon homicide. As Deputy Chief of Statewide Services, she supervises approximately 130 forensic investigators and Deputy Medical Examiners in the State of Maryland. She is dedicated to teaching and lectures on various topics in forensics at multiple universities and healthcare and law enforcement venues across the state. She sits on several state fatality review boards, has published many peer-reviewed articles, and has presented at numerous national forensic meetings. Her research interests include new emerging drugs of abuse, drug death trends, excited delirium, in custody deaths, conducted energy devices, and virtual autopsy.



Nemanja Rodic, M.D., Ph.D Nemanja Rodic, M.D., Ph.D
AP/CP Resident: 2009-2014

Nemanja Rodic, M.D., Ph.D. is a former Anatomic and Clinical Pathology resident who was recruited to the Johns Hopkins Hospital Department of Pathology after completing his medical doctorate at the George Washington University School of Medicine. Prior to this, Dr. Rodic had completed a Bachelor's degree in Biochemistry with highest honors, a Ph.D. in Cell and Molecular Biology, and the beginning of his medical school curriculum at the University of Florida. As a predoctoral student, Dr Rodic was the recipient of numerous research and scholarship awards from the University of Florida as well as the Gold Humanism in Medicine Award at George Washington.

Dr. Rodic has authored 16 peer-reviewed publications, including first author works for his Ph.D. thesis describing epigenetic studies of the germline and early development. During his time at the Johns Hopkins Hospital, Dr. Rodic's work was supported by the HERA Foundation, The Fred and Janet Sanfilippo Research Fund Award, and The Sol Goldman Pancreatic Cancer Research Center Grant. Under tutelage of Dr. Kathleen Burns, Dr. Rodic proposed that LINE-1 retrotransposons, in the process of their "copy and paste" lifecycle, contribute to genetic instability by impacting nearby genes. He is most grateful for this opportunity to contribute towards understanding of the tumorigenesis process.

Due to his training as both an anatomic and clinical pathologist he is a detail-oriented microscopist who places particular emphasis on proper handling of pathological specimens during procurement, careful interpretation of clinical and histopathologic findings, as well as timely turn-around time. He is gaining invaluable skill in correlating pathological and dermatologic findings particularly when rendering non-neoplastic Dermatopathologic diagnoses. Most notably, he is committed to life-long learning and quality improvement in healthcare.

Dr. Rodic is a board certified in Anatomic and Clinical Pathology and is a current Clinical Fellow in Dermatopathology (2014-2016). He will be the upcoming Molecular Genetics Pathology Fellow at the Yale School of Medicine (2016-2017).



Joel Saltz, M.D., Ph.D. Joel Saltz, M.D., Ph.D.
CP Resident: 1996-1998

Joel Saltz M.D., Ph.D., is the Cherith Professor and Founding Chair of the Department of Biomedical Informatics at Stony Brook University. He also the Vice President for Clinical Informatics for Stony Brook Medicine and Associate Director of the Stony Brook University Cancer Center. Dr. Saltz is a leader in research on advanced information technologies for large scale data analytics and biomedical and scientific research. He has developed innovative clinical informatics systems including the first published whole slide virtual microscope system and leading edge clinical data warehouse frameworks. He has spearheaded several multi-disciplinary efforts creating cutting-edge tools and middleware components for the management, analysis, and integration of heterogeneous biomedical data. Dr. Saltz broke new ground with middleware systems that target distributed and high-end systems including the filter-stream based DataCutter system, the map-reduce style Active Data Repository and the inspector-executor runtime compiler framework.

Dr. Saltz served at Emory from 2008 until joining Stony Brook in 2013. At Emory he was founding Chair of the Department of Biomedical Informatics; Professor in the School of Medicine, Department of Pathology and Laboratory Medicine; the College of Arts and Sciences, Department of Mathematics and Computer Science; and the School of Public Health, Department of Biostatistics and Bioinformatics.

From 2001 to 2008, Dr. Saltz served as Professor and Founding Chair of the Department of Biomedical Informatics at The Ohio State University College of Medicine. He was also Associate Vice President for Health Sciences for Informatics, and he played important leadership roles in the Cancer Center, Heart Institute and Department of Pathology.

Dr. Saltz received his Bachelors and Masters of Science degrees in Mathematics at the University of Michigan and then entered the MD/PhD program at Duke University, with his PhD studies performed in the Department of Computer Sciences. He began his academic career in Computer Science at Yale, the Institute for Computer Applications in Science and Engineering at NASA Langley and the University of Maryland College Park. He completed his residency in Clinical Pathology at Johns Hopkins School of Medicine and served as Professor with a dual appointment at the University of Maryland and Johns Hopkins, serving in the University Of Maryland Department Of Computer Science and Institute for Advanced Computer Studies, and the Johns Hopkins Department of Pathology. Dr. Saltz is a fellow of the American College of Medical Informatics.



Jeffrey L. Seibel, M.D., Ph.D. Jeffrey L. Seibel, M.D., Ph.D.
AP/CP Resident: 1998-2002
Hematopathology Fellow: 2002-2003

Dr. Seibel is Chair of the Department of Pathology at Saint Agnes Hospital in Baltimore, Maryland. He serves on the Clinical Informatics and Transfusion Committees. He is a partner and member of the Executive committee of Hicken, Cranley & Taylor, P.A., the largest independent pathology group in Maryland. Dr. Seibel provides services to the Saint Agnes Cancer Institute in hematopathology, general surgical pathology, clinical chemistry and molecular biology. He is particularly focused on the development of cost-effective, evidence-based laboratory protocols in the context of Maryland's unique hospital global payment system. Dr. Seibel came to Johns Hopkins in 1998 from the Medical Scientist Training Program at the University of Colorado Health Sciences Center, where he completed a Ph.D. in Molecular biology and Immunology in 1995, and an M.D. in 1998.



Aaron Tobian, M.D., Ph.D. Aaron Tobian, M.D., Ph.D.
CP Resident: 2006-2009
Chief Resident: 2008-2009

Dr. Tobian is an Associate Professor of Pathology, Medicine and Epidemiology at the Johns Hopkins University School of Medicine and Bloomberg School of Public Health. He is also an Associate Director of Transfusion Medicine at Johns Hopkins Hospital. Prior to enrolling in the Johns Hopkins University Department of Pathology residency program, Dr. Tobian completed a combined MD/PhD program at Case Western Reserve University. Dr. Tobian's Ph.D. thesis focused on antigen processing, but he also spent one year living in Papua New Guinea studying lymphatic filariasis. During medical school, he was also elected into the Alpha Omega Alpha (AOA) Honor Medical Society.

As a clinical pathology resident, Dr. Tobian joined the Rakai Health Sciences Program (RHSP), a collaboration between Johns Hopkins University and scientists at Makerere University in Uganda. Dr. Tobian has established a research program evaluating the epidemiologic risk factors of HIV and other sexually transmitted infections. Working closely with the RHSP, Dr. Tobian has evaluated the efficacy of male circumcision to prevent sexually transmitted infections in men and their female partners. These results have been published in the New England Journal of Medicine, JAMA, Lancet, AIDS, Journal of Infectious Diseases, and Lancet Infectious Diseases.

As a faculty member, Dr. Tobian has received research support from the National Institutes of Health, Doris Duke Charitable Foundation, Johns Hopkins University School of Medicine and the United States Agency for International Development.

Dr. Tobian is board certified in clinical pathology and transfusion medicine, and attends regularly on the transfusion medicine service. He is involved in resident teaching and numerous research projects with residents and clinical fellows.



Keith E. Volmar, M.D. Keith E. Volmar, M.D.
AP/CP Resident: 1998-2002
Chief Resident: 2001-2002

Keith E. Volmar, M.D. is in community practice with Rex Pathology Associates in Raleigh, North Carolina. Dr. Volmar received his B.A. in Physics from Ithaca College, then earned his M.D. from SUNY Buffalo with membership in Alpha Omega Alpha. Dr. Volmar completed residency in AP/CP at The Johns Hopkins Hospital and served as Chief Resident in his final year. He then completed fellowships in surgical pathology and cytopathology at Duke University. Dr. Volmar's first appointment was as Assistant Professor at UNC-Chapel Hill from 2004-2008, where he was involved in clinical services, medical student teaching, the cytotechnologist training program and pancreaticobiliary research. Since transitioning to community practice, he has continued involvement in translational research in pancreas tumors and has become increasingly engaged in legislative issues facing pathology. Dr. Volmar is active in the College of American Pathologists, having served on the Quality Practices and Autopsy Committees, the CAP/CDC Guideline Metric Expert Panel, and the CAP House of Delegates. He is the current President of the North Carolina Society of Pathologists.



Sharon W. Weiss, M.D. Sharon W. Weiss, M.D.
AP Resident: 1971-1975
Faculty: 1975-1976

Dr. Weiss earned her A.B from Wellesley College and her M.D. from the Johns Hopkins School of Medicine. During the last year of anatomic pathology training in the department she became the first women to hold the position of Chief Resident. Following a brief tenure on the faculty, she joined the staff of the Armed Forces Institute of Pathology (AFIP), eventually becoming the Chair of the Department of Soft Tissue Pathology. During her 13 years at the AFIP, she co-authored with Franz Enzinger the now iconic textbook, Soft Tissue Tumors, now in its 6th edition. Subsequent academic appointments included the A. J. French Professor and Director of Anatomic Pathology at the University of Michigan and Professor and Vice Chair of Pathology and Laboratory Medicine at Emory University. In addition to her current responsibilities as Director of the Expert Consultation Service at Emory, she has served as Associate Dean for Faculty Development and Faculty Affairs in the School of Medicine where she created a five month "Junior Faculty Development Course," and yearlong "Chair On-Boarding" curriculum for new chairs. Additional leadership activities have included appointments to the Emory Healthcare Board of Directors, University Senate, and Dean's Leadership Council.

Over her career she has published extensively and lectured widely on all aspects of soft tissue tumors, especially prognostic factors in undifferentiated pleomorphic sarcoma (formerly malignant fibrous histiocytoma), dedifferentiation in liposarcoma, and borderline vascular tumors (hemangioendothelioma). She is also credited with the first description of numerous new entities including: epithelioid hemangioendothelioma, spindle cell hemangioma (formerly spindle cell hemangioendothelioma), giant cell fibroblastoma, ischemic fasciitis, ossifying fibromyxoid tumor, epithelioid sarcoma-like hemangioendothelioma, pleomorphic hyalinizing angiectatic tumor, and inflammatory myxohyaline tumor (myxoinflammatory fibroblastic sarcoma).

She has held key leadership positions including Chair of the Second World Health Organization Committee for the Classification of Soft Tissue Tumors, President of the United States Canadian Academy of Pathology, President of International Society of Bone and Soft Tissue Pathology (ISBSTP), member Residency Review Committee (RRC) for Pathology, and Trustee and President of the American Board of Pathology. As President of the Board she oversaw the adoption by the Board of a Physician Scientist Pathway leading to certification. She also serves on the editorial boards of American Journal of Surgical Pathology and Modern Pathology.

Her honors include: Phi Beta Kappa, Alpha Omega Alpha, Alumnae Achievement Award (Wellesley College), the Society of Scholars (Johns Hopkins University), 2013 Harvey Goldman Master Teacher and Mentoring Award (USCAP), 2015 Distinguished Pathologist Award (USCAP), 2015 Distinguished Achievement Award (ISBSTP), and the 2015 Philip Levine Award for Outstanding Research (American Society of Clinical Pathology).



Robb E. Wilentz, M.D. Robb E. Wilentz, M.D.
AP Resident: 1996-2000
Chief Resident: 1999-2000
Faculty Assistant: 2000-2001

Robb E. Wilentz, M.D., is Director of Dermatopathology at Skin and Cancer Associates, in Aventura, FL, where he oversees an independent laboratory that processes approximately 90,000 cutaneous and oral biopsies and excisions annually. Dr. Wilentz graduated with a B.A. in Biochemical Sciences from Harvard University in 1992, and he received his medical degree from The Johns Hopkins University School of Medicine in 1996. He performed his internship and residency in Anatomic Pathology at The Johns Hopkins Hospital. Robb also completed fellowships in surgical and gastrointestinal/pancreatic pathology at The Johns Hopkins Hospital, and he served as Chief Resident in the Department of Pathology.

Robb was an Assistant Professor of Pathology at The Johns Hopkins University School of Medicine before leaving Baltimore in 2002 to pursue a fellowship in Dermatopathology in the Department of Dermatology and Cutaneous Surgery at the Miller School of Medicine of the University of Miami. During his time in Baltimore and Florida, Dr. Wilentz is fortunate to have had careers combining both diagnostic and academic pursuits, in colonic, pancreatic, and dermatopathology; his peer-reviewed manuscripts and book chapters have appeared in preeminent journals and textbooks, including Robbins' Pathologic Basis of Disease and the World Health Organization's Pathology and Genetics of Skin. In addition to running the laboratory at Skin and Cancer Associates, Robb currently is a Professor of Pathology at Nova-Southeastern University School of Medicine and serves as the primary dermatopathology consultant for South Florida's Broward Health hospital system.



Laura D. Wood, M.D., Ph.D. Laura D. Wood, M.D., Ph.D.
AP Resident: 2009-2012
Chief Resident: 2011-2012

Laura D. Wood, M.D., Ph.D. is an Assistant Professor in the Department of Pathology, Division of Gastrointestinal and Liver Pathology at the Johns Hopkins University School of Medicine. Dr. Wood received her B.S. in Biology from the College of William & Mary, graduating Summa Cum Laude with membership in Phi Beta Kappa. She then went on to earn both her M.D. and Ph.D. from The Johns Hopkins University School of Medicine, with membership in Alpha Omega Alpha. She completed her Ph.D. research in the laboratory of Dr. Bert Vogelstein, where she led the first whole exome sequencing studies in human cancers. Dr. Wood then went on to complete residency in Anatomic Pathology (serving as Chief Resident in her final year) and fellowship in Gastrointestinal and Liver Pathology at The Johns Hopkins Hospital. Now, she leads her own basic science laboratory focused on genetic characterization of pancreatobiliary cancers and their precursor lesions. In addition, she signs out clinical specimens on the Gastrointestinal and Liver Pathology services.