Scroll back to top

MNG Laboratories Leadership

Geraldine McDowell, PhD, FACMG

Vice President and Senior Technical Director, Labcorp

Dr. McDowell earned a PhD in Human Genetics at the University of Maryland at Baltimore. She was a postdoctoral fellow at the National Institutes of Health, and a senior staff fellow in the Heritable Disorders Branch of the National Institute of Child Health and Human Development.

Dr. McDowell is dual-boarded in Clinical Biochemical Genetics and Clinical Molecular Genetics. She was a member of the American College of Medical Genetics QA Laboratory Practice Committee from 2000 to 2003 and an American College of Medical Genetics liaison member of the College of American Pathologists Special Chemistry Resource Committee from 2003 to 2006.

Dr. McDowell’s areas of expertise include maternal serum screening and diagnosis of inborn errors of metabolism. In her role as Senior Technical Director, she provides scientific oversight for all genetic departments at the Center for Molecular Biology and Pathology in North Carolina and for Labcorp’s multi-site network of laboratory-based genetic counselors. She also serves as the Laboratory Director for MNG Laboratories in Atlanta, Georgia.

Dr. McDowell is a fellow of the American College of Medical Genetics (FACMG) and is certified by the New York State Department of Health in the area of Genetic Testing.

Keith Hyland, PhD

Executive Vice President, MNG Laboratories, Atlanta, GA

Dr. Hyland received his doctorate in biochemistry from Brunel University, United Kingdom in 1980. His fellowships included Gustave Roussy Institute, Department of Biochemistry and Enzymology in Paris and the Department of Child Health, Institute of Child Health at the University of London.

In 1989 Dr. Hyland moved from the Institute of Child Health in London, where he had advanced to a lecturer in Biochemistry, to the Baylor Research Institute in Dallas, Texas where he held the positions of Senior Research Scientist at the Baylor Research Institute, Adjunct professor of Neurology at the University of Texas, Southwestern Medical Center and Professor of Biomedical Sciences at Baylor University.

In 2004, he moved to Atlanta to join Horizon Molecular Medicine, which became Medical Neurogenetics LLC in 2008.

In a career spanning 35 years, he has led numerous grant funded research teams in the UK and the US in the study of inherited disease and the neuroprotective molecular medicines used to treat them. He is a leading expert in the area of inherited disorders affecting serotonin, catecholamine, folate, and pyridoxal phosphate metabolism.

Dr. Hyland has been honored for his work in the area of Neurometabolic Disease, including the Noel Raine Award from the Society for the Study of Inborn Errors of Metabolism (1989 and 1998).

Trey Langley, PhD

Vice President of Product Development and Reporting, MNG Laboratories, Atlanta, GA

Dr. Langley attained two bachelor degrees from the University of North Carolina at Chapel Hill in Biology and Clinical Laboratory Science. He subsequently worked as a Medical Technologist in the Core Lab of McLendon Clinical Laboratories at the University of North Carolina Hospitals, gaining experience in clinical laboratory operations. Dr. Langley went on to attain a PhD in Microbiology and Molecular Genetics from Emory University.

Dr. Langley has published on topics ranging from human genetics and immunology, to the development of novel anthrax and influenza vaccines.

Dr. Langley is certified by the New York State Department of Health as a Laboratory Director in the area of Genetic Testing (Molecular).