Centessa Pharmaceuticals
Tracey Klees is a legal professional with extensive experience in the life sciences sector. Currently serving as Senior Director of Legal at Centessa Pharmaceuticals since July 2025, Tracey previously held the position of Life Sciences & Technology Transactions Associate at Arnold & Porter Kaye Scholer LLP from October 2019 to July 2025. Additional experience includes a secondment as an Attorney at Halozyme, Inc. and a legal internship at the Federal Communications Commission. Tracey's legal career began as an Immigration Paralegal at Fragomen, Del Rey, Bernsen & Loewy and included earlier roles in the legal field, such as a Lobbying Intern and a Judicial Extern. Tracey holds a Doctor of Law (JD) from Georgetown University Law Center and a Bachelor of Science in Integrative Biology with a minor in Political Science from the University of Illinois Urbana-Champaign.
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Centessa Pharmaceuticals
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Centessa Pharmaceuticals Limited is a next-generation biopharmaceutical company that aims to reshape the traditional drug development process. The company applies an asset-centric R&D model at scale to advance a portfolio of highly validated programs led by industry leading teams. Each program is developed by an Centessa Subsidiary and supported by a centralized infrastructure and the Centessa management team.