Jill Rafalko, MS, CGC, LGC Principal Medical Writer Labcorp Genetic Counseling, Medical Writing

12 Mar 2026
Molecular Genetics

Jill is a licensed and certified genetic counselor who currently serves as the Principal Medical Writer at Labcorp. Jill has 18 years of diverse experience in the field of genetics/genomics. She started her career in clinical medicine as a prenatal genetic counselor in a high-volume MFM office. After 8 years, she joined Sequenom/Labcorp and worked as a Medical Science Liaison in Women’s Health and Genetics for five years. She then took a professional detour and worked as the Director of Scientific Communications at PetDx, a veterinary biotech startup offering next-generation sequencing-based liquid biopsy for cancer detection in dogs. Following this endeavor, in 2024, she returned to Labcorp, where she currently serves as the Principal Medical Writer, reporting to the Chief Scientific Officer. Jill is also an adjunct professor for the Kean University Genetic Counseling Graduate School Program. Over the past decade, Jill has contributed to over 60 abstracts that were delivered as posters and/or oral presentations at scientific conferences, and has authored/co-authored 17 peer-reviewed publications in scientific journals, including a first author publication that was selected as an Editor’s Featured Article in Genetics in Medicine, and a first author publication in PLOS One that became the subject of a variety of syndicated articles appearing in Newsweek and Scientific American, among others.