George has extensive healthcare and life sciences operating experience and has served as an advisor, Director, or CEO with private and public companies in diagnostics, specialty pharma, cell therapy, and biologics. He is the managing partner of The Dunbar Group providing management services to the life sciences. The most recent assignment was CEO of Isto Biologics, Prior to ISTO Technologies, he served as a Venture Partner with Arboretum Ventures, and a director of four portfolio life science companies - two as executive chairman. He has held senior leadership positions with Ares-Serono (now Merck-Serono) and Amersham International (now GE Healthcare).