Gregory Clark Janis

Mr Janis earned undergraduate degrees in biochemistry and chemistry at Virginia Tech and an MS in toxicology at University of North Carolina. He has 2 decades of experience developing techniques for the analysis of pharmaceuticals and drugs of abuse. Current interests include high-throughput mass spectrometry screening techniques, as well as the identification and analysis of new and emerging drugs of abuse. He is a member of the American Society for Mass Spectrometry and the Society for Forensic Toxicologists.

Publications

George C. Maha, JD, PhD

Dr Maha is a diplomate of the American Board of Medical Genetics in the category of PhD medical geneticist. He is also certified as a medical technologist (MT) by the American Society of Clinical Pathologists (ASCP) and as a laboratory director by the New York State Department of Health in the categories of clinical chemistry, forensic identity, genetic testing, histocompatibility, immunohematology, parentage/identity testing, and transplant monitoring.

George C. Maha, JD, PhD

Dr Maha is a diplomate of the American Board of Medical Genetics in the category of PhD medical geneticist. He is also certified as a medical technologist (MT) by the American Society of Clinical Pathologists (ASCP) and as a laboratory director by the New York State Department of Health in the categories of clinical chemistry, forensic identity, genetic testing, histocompatibility, immunohematology, parentage/identity testing, and transplant monitoring.

Earle Smitty Collum, MD

Dr Collum graduated from the Medical University of South Carolina in 1979. He completed his AP/CP residency training at Yale-New Haven Hospital in New Haven, CT and became Board Certified in AP/CP in 1983.

Charles M. Walworth, MD

Dr Walworth did his undergraduate work at Georgetown University where he majored in biology with a minor in psychology. He completed medical school and residency training in internal medicine at Georgetown University School of Medicine. Dr Walworth re-directed his career (initially slated for urology) after working in a refugee camp on the Thai-Cambodian border, when the first five cases of AIDS were reported at Bangkok General Hospital.

Charles M. Walworth, MD

Dr Walworth did his undergraduate work at Georgetown University where he majored in biology with a minor in psychology. He completed medical school and residency training in internal medicine at Georgetown University School of Medicine. Dr Walworth re-directed his career (initially slated for urology) after working in a refugee camp on the Thai-Cambodian border, when the first five cases of AIDS were reported at Bangkok General Hospital.

Brian Poirier, MD

Dr Poirier is a diplomate of the American Board of Pathology in anatomic and clinical pathology as well as in transfusion medicine. He earned his medical degree from the University of Colorado Health Science Center in Denver, where he received the dean's recognition for academic excellence. Dr Poirier has completed residencies in anatomic and clinical pathology at the University of California at Davis in addition to fellowships in surgical pathology and transfusion medicine.

Brian Poirier, MD

Dr Poirier is a diplomate of the American Board of Pathology in anatomic and clinical pathology as well as in transfusion medicine. He earned his medical degree from the University of Colorado Health Science Center in Denver, where he received the dean's recognition for academic excellence. Dr Poirier has completed residencies in anatomic and clinical pathology at the University of California at Davis in addition to fellowships in surgical pathology and transfusion medicine.

Brian Caveney, M.D.

Brian Caveney, M.D. has served as Executive Vice President and President, Early Development Research Laboratories and Chief Medical and Scientific Officer at Labcorp since 2023.

In his current role, Brian leads all early development research laboratories globally and oversees all medical and scientific affairs, oncology, cell and gene therapy and quality for Labcorp.