Division of Clinical Chemistry


The Clinical Chemistry Laboratory at The Johns Hopkins Hospital is located within the Department of Pathology Core Laboratory and serves to provide CAP/CLIA-certified, high-quality laboratory services to the Johns Hopkins Health System. The Clinical Chemistry Division provides general chemistry, special chemistry, and toxicology services to the Johns Hopkins Hospital, Bayview Medical Center, Howard County General Hospital, Suburban Hospital, Sibley Memorial Hospital, the Johns Hopkins Outpatient Centers, and the Johns Hopkins Community Physicians group. The Clinical Chemistry Division supports clinical services, education of medical technologists, medical laboratory technicians and clinical pathology residents and fellows, and maintains research and development efforts to improve the quality of laboratory-based patient care.


Directors

Daniel Chan, PhD, DABCC, FACB
Daniel Chan, PhD, DABCC, FACB

Director of Clinical Chemistry Division
Co-Director of Pathology Core Laboratories

Lori Sokoll, PhD
Lori Sokoll, PhD

Associate Director of Clinical Chemistry Division
Director of Special Chemistry Lab


William Clarke, PhD, MBA, DABCC
William Clarke, PhD, MBA, DABCC

Director of Point-of-Care Testing and Clinical
      Toxicology Lab

Mark A. Marzinke, PhD, DABCC
Mark A. Marzinke, PhD, DABCC

Director of Preanalytics and General Chemistry Lab


 
Fellows Ventzi Hristova, PhD and Claire Knezevic, PhD

To learn more about the Clinical Chemistry Postdoctoral Fellowship Program, click here.
Manager Lydia Nelson, MS
Technical/Operations Supervisor Brandon Tenney, MSLA, MT(ASCP)
Total Lab Automation, Rapid Response, Critical Care, Biocontainment Unit
Special Chemistry Supervisor & Drug Assay Supervisor Pamela Jarrar, MBA MT(ASCP)
Quality Assurance Specialist Lona Small, MBA, MT(ASCP)
Quality Control Technologist Sondra Mitchell, MT (CASCP)
Education Coordinator Christine Hostetter, MT (ASCP), MA