I am a board-certified Geriatrician and Cardiologist, and a tenured Professor of Medicine at the University of Pittsburgh in the Division of Geriatric Medicine.  At University of Pittsburgh, I am the Associate Director of Translational Research at the University of Pittsburgh’s Aging Institute as well as Director of the Pilot and Exploratory Studies Core of the Pittsburgh Pepper Center.  I am also on faculty at the VA Pittsburgh Healthcare System (VAPHS), where I am the Director of Translational Research of the Pittsburgh Geriatrics, Research, Education and Clinical Center (GRECC) and Director of VAPHS Cardiac Rehabilitation. As a translational and clinical researcher. My current focus is oriented to restoring function in older adults with cardiovascular disease, and includes both mechanistic and clinical studies, including the National Institute on Aging (NIA) funded R01 AG058883, Nitrite Therapy to Improve Mitochondrial Bioenergetics and Physical Activity in Older Adults and the NIA-funded R01 AG060499, Modified Application of Cardiac Rehabilitation for Older Adults (MACRO). At the VHA, I am funded by the Health Services Research and Development Service (HSR&D) in Merit I01 HX003518, Transition to Cardiac Rehabilitation (T2CR) to Address Barriers of Multimorbidity and Frailty, and the Rehabilitation Research and Development Service (RR&D) in SPIRE 1I21RX004409 Nitrite Supplementation to Mitigate Fatigability and Increase Function in Long COVID Patients.