Jigar Raythatha rejoined Constellation in March 2017 as the company’s chief executive officer from Jounce Therapeutics, where he held the role of chief business officer. At Jounce, Jigar was the first employee and helped build the company from its inception to a 100-person, publicly traded research and development organization. Previously, he served as head of corporate development at Constellation, where he led business development, strategy, program, and alliance management functions. He earned an MBA from Columbia University and a BA in biochemistry and economics from Rutgers University.