Sean McCarthy

Chief Executive Officer CytomX Therapeutics

Dr. Sean McCarthy has served as President, CEO, and Chairman of CytomX Therapeutics since 2011, leading the company’s growth and strategic direction. With more than 25 years of biotechnology experience spanning R&D, business development, venture investing, and executive leadership, he has held roles at Millennium Pharmaceuticals, SGX Pharmaceuticals, and Pappas Ventures. At SGX, he helped transform the company into a product-focused oncology business and supported its successful IPO. Dr. McCarthy holds a D.Phil. in Cancer Biology from the University of Oxford, an MBA from UC San Diego’s Rady School of Management, and a B.Sc. in Biochemistry and Pharmacology from King’s College London.

Seminars

Wednesday 14th October 2026
Reviewing the Intentional Design of Varseta-M, a Masked PROBODY ADC for the Treatment of Colorectal Cancer
11:30 am
  • Presenting Phase I clinical data of Varseta-M targeting EpCAM in colorectal cancer
  • Connecting masked ADC design correlation to compelling preclinical and clinical profile
  • Exploring Varseta-M future clinical development pathway with first-in-class ADC potential in late-line colorectal cancer
Sean McCarthy - Speaker at 17th World ADC San Diego Summit