Bill Trebasky

Bill Trebasky is an accomplished executive in the biopharmaceutical industry with extensive experience in manufacturing and supply chain management. Currently serving as Vice President of Manufacturing & Supply Chain at Bristol Myers Squibb since January 2024, Trebasky previously held the same title at Mirati Therapeutics from April 2021 to January 2024, where responsibilities included overseeing global contract manufacturing partners and leading the Technical Operations function. Prior experience includes leadership roles at Amgen, where Trebasky managed operations for nephrology products and served as Chief of Staff for the EVP of Operations. Trebasky co-founded Ambra BioScience and held several strategic positions at Amylin Pharmaceuticals, focusing on manufacturing, corporate operations, and human resources. Trebasky’s career began at Amgen, engaging in engineering and project management. Trebasky earned an MBA in Strategy and Operations from UCLA Anderson School of Management and a BS in Chemical Engineering from UC Santa Barbara.