Brad Younggren, MD, is President of Viome PRO and previous CEO & co-founder of Circulate Health, where he has advanced therapeutic plasma exchange (TPE) as an intervention for healthy aging through clinical research and expanded outpatient access. A board-certified emergency physician, former U.S. Army combat physician, and Bronze Star recipient, Dr. Younggren has spent more than two decades at the forefront of healthcare innovation at six separate companies, including roles as President and Chief Medical Officer of 98point6 and Chief Medical Officer at Cue Health. His work today focuses on translating emerging longevity science into evidence-based clinical care.