Jennifer O'Loughlin Langstengel was born in New York City and raised in Long Island, New York. She received her B.S. in Psychology from Stony Brook University. She then worked for Weill Cornell Medical College running clinical trials in malignant hematology and oncology before going on to attend medical school at Geisinger Commonwealth School of Medicine. She completed internship and residency at University of Iowa Hospitals and Clinics, where she also served an additional year as VA Chief Resident of Quality Improvement and Patient Safety. Prior to beginning fellowship she served as core faculty in the internal medicine residency of Lehigh Valley Health Network in Allentown, Pennsylvania. She is thrilled to be joining the Yale community and has research interests in health disparities and understanding barriers to patient adherence to treatment. Outside of medicine, Jen loves spending time with her husband Eric, daughter Cora, and cat Josie. She is an avid hiker, spinner, and runner, and an aspirational baker.