Rachael Lester currently serves as the Chief Business Officer at CytomX Therapeutics since October 2025 and is a member of Chief, a network dedicated to advancing women in leadership positions. Prior to this role, Rachael held the position of Chief Business Officer at Replicate Bioscience, Inc. from July 2023 to October 2025 and served in various executive capacities at Harpoon Therapeutics, including SVP of Business Development & Corporate Strategy and VP of Corporate Development. Rachael also contributed to Bruin Biometrics, Onyx Pharmaceuticals, Deloitte, Booz Allen Hamilton, Pfizer, and Paul Capital Partners throughout her career, focusing on corporate strategy, product marketing, and business development in the life sciences sector. Rachael holds a BA in Neuropsychology from the University of Pennsylvania and dual MBAs in Finance and Marketing from London Business School and Northwestern University's Kellogg School of Management, respectively.
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