Jennifer E. O’Callaghan, MFS
Director of Forensic Biology Division

Jennifer O’Callaghan joined HFSC in 2016 and is the director of the Forensic Biology Division, the area responsible for DNA analysis and other biological testing. Ms. O’Callaghan joined HFSC after four years as the Next-Gen laboratory manager at GeneDx, a clinical diagnostic Next-Generation Sequencing lab. Prior to that, Ms. O’Callaghan spent 10 years working at the Armed Forces DNA Identification Laboratory, most recently as a supervisory DNA analyst. Ms. O’Callaghan oversaw a team that used mitochondrial and nuclear DNA typing in support of the identification of MIA/POW service members from U.S. conflicts, including from World War II, Korea and Vietnam.