Jonathan David Williams, PhD

Dr. Williams graduated from Illinois State University with a PhD in molecular biology and completed his fellowship in molecular genetics and microbiology at Duke University. He is a certified project management professional and member of the Project Management Institute.

Dr. Williams serves as a discipline director for consumer genetics at Labcorp. Other areas of specialty include identity, histocompatibility and molecular genetics and genomics. Visit his LinkedIn page.

Jonathan David Williams, PhD

Dr. Williams graduated from Illinois State University with a PhD in molecular biology and completed his fellowship in molecular genetics and microbiology at Duke University. He is a certified project management professional and member of the Project Management Institute.

Dr. Williams serves as a discipline director for consumer genetics at Labcorp. Other areas of specialty include identity, histocompatibility and molecular genetics and genomics. Visit his LinkedIn page.

Jeffrey Albrecht, PhD

Dr. Albrecht earned his PhD in microbiology and molecular genetics from the University of California at Los Angeles. He also holds New York state certification of qualification in genetic testing and is licensed in California as a clinical genetics molecular biologist scientist.

Jeffrey Albrecht, PhD

Dr. Albrecht earned his PhD in microbiology and molecular genetics from the University of California at Los Angeles. He also holds New York state certification of qualification in genetic testing and is licensed in California as a clinical genetics molecular biologist scientist.

Greg Browning, PhD

Dr. Browning earned his PhD in Organic Chemistry at the University of Texas at Arlington. He serves as a discipline director of routine chemistry at Labcorp and is certified as a clinical chemist with the National Registry of Certified Chemists (NRCC-CC).

Dr. Browning also is a member of the American Association for Clinical Chemistry and the American Chemical Association.

Greg Browning, PhD

Dr. Browning earned his PhD in Organic Chemistry at the University of Texas at Arlington. He serves as a discipline director of routine chemistry at Labcorp and is certified as a clinical chemist with the National Registry of Certified Chemists (NRCC-CC).

Dr. Browning also is a member of the American Association for Clinical Chemistry and the American Chemical Association.

Deborah Sesok-Pizzini, MD, MBA

Dr Sesok-Pizzini serves as SVP, Chief Medical Officer, Diagnostics, Global Head of Quality. She earned her medical degree from the Penn State College of Medicine and did her residency and fellowship at The University of Pennsylvania’s Perelman School of Medicine. She also graduated from Villanova University, with a Master of Business Administration degree with a concentration in finance.

Deborah Sesok-Pizzini, MD, MBA

Dr Sesok-Pizzini serves as Chief Medical Officer of Labcorp Diagnostics and discipline director of immunohematology. She earned her medical degree from the Penn State College of Medicine and did her residency and fellowship at The University of Pennsylvania’s Perelman School of Medicine. She also graduated from Villanova University, with a Master of Business Administration degree with a concentration in finance.

Crystal Icenhour, PhD

Dr. Icenhour graduated from the University of Cincinnati College of Medicine and serves as a discipline director of molecular microbiology at Labcorp. Other areas of specialty include esoteric microbiology, infectious disease immunology, molecular genetics and genomics and molecular infectious disease.

Dr Icenhour is a member of the Infectious Diseases Society of America and the American Society for Microbiology, affiliated with Duke University Medical Center. Visit her LinkedIn page.

Crystal Icenhour, PhD

Dr. Icenhour graduated from the University of Cincinnati College of Medicine and serves as a discipline director of molecular microbiology at Labcorp. Other areas of specialty include esoteric microbiology, infectious disease immunology, molecular genetics and genomics and molecular infectious disease.

Dr Icenhour is a member of the Infectious Diseases Society of America and the American Society for Microbiology, affiliated with Duke University Medical Center. Visit her LinkedIn page.