Alexander (Sasha) Opotowsky is director of the Cincinnati Adult Congenital Heart Disease (CINCH) Program. After medical school at Columbia University’s College of Physicians and Surgeons, he completed Internal Medicine residency at Brigham and Women’s Hospital and Cardiology fellowship at the University of Pennsylvania. After a year of specialized adult congenital cardiology and pulmonary hypertension training at Penn, Dr. Opotowsky completed a two-year senior fellowship and joined the staff of the Boston Adult Congenital Heart Service. Dr. Opotowsky founded the Boston ACHD Biobank in 2012, enrolling and collecting bio-specimens from over 1,600 patients. This resource has facilitated high impact research using circulating and urinary biomarkers to better understand and treat adults born with congenital heart disease.