Susan Eshleman
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Estelle Piwowar-Manning
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Susan Eshleman
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Estelle Piwowar-Manning
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Other Staff
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Paul Richardson graduated from Manchester Polytechnic in England and is a registered multidisciplinary Biomedical Scientist with the Health Care Professions Council (UK). Paul later received his Fellowship of the Institute of Biomedical Sciences (London) in 1991 followed by a Master of Science in Biomedical Science from the Manchester Metropolitan University in 1999. His experience includes working in multiple hospital clinical laboratories, instrument sales and technical support. He is currently a Senior International QA/QC Coordinator for the HPTN Laboratory Center at Johns Hopkins University in Baltimore and has been involved in HPTN studies since 2005
Amber Moser graduated from Stevenson University with a Medical Laboratory Scientist degree and is American Society of Clinical Pathology MLS (ASCP) certified. Prior to working at the Johns Hopkins Hospital and University School of Medicine she worked at Sinai Hospital in the core laboratory and at Northwest Hospital as the team leader of the laboratory.
Tinia Hill graduated from Harrisburg University of Science and Technology with her Bachelors in Biology. She then went on to University of Maryland, School of Medicine and enrolled in their Department of Medical Research and Technology categorical program. She graduated in 2016 and is ASCP certified in Hematology. Prior to working at Johns Hopkins University School of Medicine, she worked at University of Maryland Medical Center in the HLA lab. She also has worked in other area clinical labs as a generalist.
Danielle Heyl graduated from Ferris State University with a Medical technology degree and is American Society of Clinical Pathology MLS (ASCP) certified. Prior to working at the Johns Hopkins University School of Medicine, she worked at Rex Hospital, KRR Laboratory as well as the Maryland Zoo’s Animal Hospital and AniLab, a full service clinical laboratory, specializing exclusively in veterinary testing.
Anjali Shankar graduated from George Washington University with a BS in Public Health with a concentration in bioinformatics, and from Johns Hopkins University with an MS in Biotechnology. Prior to working to at Johns Hopkins Hospital, she worked as a research assistant at Children’s National and as a scribe at The George Washington University Hospital. Currently, she is a research technologist at the HPTN LC Core Laboratory.
Meagan Peoples graduated from Johns Hopkins University with a double major in Chemistry and Writing Seminars. Prior to working at the Johns Hopkins Hospital and University School of Medicine, she worked as an interfaces engineer at Epic Systems, first in Wisconsin and then later abroad at their Bristol office.
Vanessa Cummings graduated from the University of Guyana (South America) as a Medical Technologist with a major in Microbiology, worked at St. Joseph’s Mercy Hospital Laboratory as a Medical Technologist and then Acting Supervisor of Lab. She also taught Microbiology to Freshmen nurses at Mercy Hospital. Upon immigrating to the US in 1994, she completed a Bachelor of Science degree in Medical Technology at College Misericordia in Pennsylvania, did her clinical year at Washington Hospital Center in Washington DC and is American Society of Clinical Pathology MLS (ASCP) certified. She worked at Washington Hospital Center until 2003, when she starting working at Johns Hopkins Hospital in the Advanced Technology HIV Specialty Lab, then transitioned to the Johns Hopkins University, School of Medicine, currently a Senior International QA/QC coordinator for the HPTN Laboratory Center.
Shahnaz Ahmed graduated from the University of Bombay with a Bachelor’s degree in Microbiology and a postgraduate degree in Medical Technology. She began her laboratory career in Bombay before moving to the USA. In the USA, Shahnaz completed her MLT ASCP certification before working as a generalist at Cleveland Clinic Hospital, Ohio. She then took on the role of Lab Supervisor at Frisco Urgent Care in Texas In 2018, Shahnaz joined Johns Hopkins University, where she currently serves as the International Lab QA/QC Coordinator.
Janet Small has been with Johns Hopkins Medicine since 2015. Prior to working at the Johns Hopkins University School of Medicine, she worked for Johns Hopkins Community Physicians as a Medical Office Assistant, as well as Quest Diagnostics. She worked at Quest Diagnostics for 22 years, starting out in Client Services, where she provided technical information to Doctors and their staff, became a Group Lead, and in 2014 became the Supervisor of the Department. In 2015 Janet started working at JHCP as a Medical Office Assistant, then in 2018 moved to HPTN LC as the Administrative Coordinator.
Yaw Agyei is a graduate of the University of Maryland with a medical technology degree and is American Society of Clinical Pathology MLS (ASCP). He worked at the Johns Hopkins Hospital Core Laboratory following an internship right after Medical Technology school. He stayed there for five years before joining the HIV Prevention Trails Network-Laboratory Center (HPTN- LC). He is a senior laboratory QA/QC coordinator and has spent many years working in different countries in Southern Africa, where his cultural background has helped in building capacity across local labs. In addition to his laboratory training, Yaw holds a Masters in Public Health (MPH) degree.
Dr. Mark Marzinke is Professor of Pathology and Medicine (Clinical Pharmacology) at the Johns Hopkins University School of Medicine and co-principal investigator of the HPTN LC. He is a board-certified clinical chemist and is CLIA Director and principal investigator of the Clinical Pharmacology Analytical Laboratory at Johns Hopkins. He is also Director of the Main Chemistry Laboratory at the Johns Hopkins Hospital. Dr. Marzinke leads the HPTN Laboratory Center’s Pharmacology Core and is a member of the LC’s Quality Management Team. He is the Director of the Clinical Laboratory Core for the Johns Hopkins Center for AIDS Research and Co-Director of Johns Hopkins Tuberculosis Research Advancement Center’s Pharmacology and Pharmacometrics Core. He is also Director of the Adolescent Trials Network Central Laboratory. His primary research interests are in the areas of antiretroviral pharmacology, HIV prevention science, mass spectrometry, and pharmacogenetics and precision medicine.
Estelle Piwowar-Manning graduated with Biology and Medical technology degree and is a licensed American Society of Clinical Pathology (ASCP) certified Medical Laboratory Scientists with specialization certification in Immunology. Prior to working at the Johns Hopkins Hospital and University School of Medicine, she worked at University Hospitals of Cleveland and spent 5 years managing the CWRU – USCF laboratory at Mulago Hospital/Makerere University in Kampala Uganda and was a consultant at the Joint Clinical Research Centre in Kampala. She is the deputy director of the HPTN LC where she is also the laboratory manager of the HPTN LC Core Laboratory and supervises the CLIA certified HIV Clinical Research Laboratory. She is also a member of the LC’s Quality Management Team
Dr. Susan Eshleman is a Professor of Pathology at the Johns Hopkins University (JHU) School of Medicine. She is the Co-PI of the HPTN Laboratory Center (LC) and is the Director of the HPTN LC Virology Core. She served as the Protocol Virologist for numerous HIV clinical trials and currently serves as the virologist for several active HPTN protocols. She has also provided Virology support for non-network HIV clinical trials funded by the NIH, CDC, and private foundations. She is board-certified in Clinical Pathology (Laboratory Medicine) and directs three laboratories at JHU: the HIV Genotyping Laboratory, the HPTN Core Laboratory, and the HIV Clinical Research Laboratory. She is a member of two PhD training programs at JHU: Pathobiology, and Cellular and Molecular Medicine. Her research program includes basic, translational, and clinical research related to HIV prevention. Her research interests include HIV diversity, HIV drug resistance, impact of antiretroviral drugs on early HIV infection, and immune-mediated HIV control.