Careers at Sesen Bio

Sesen Bio is a late-stage clinical company bringing next-generation antibody-drug conjugate (ADC) therapies called fusion proteins to patients with cancer.

Sesen Bio is a dynamic, entrepreneurial biopharmaceutical company poised for growth. We value bright minds and team players. Our core values include:

  • Aim High
  • Create Innovative Products for Patients
  • Be True: Uphold Integrity in Science, Business, Medicine, and Ethics
  • Excel Together for Common Goals
  • Cultivate Great Individuals: Valuing, Educating, and Supporting Each Other
  • Practice Openness: Speak, Listen, and Learn with Respect and Trust
  • Be Socially Responsible

Join us at Sesen Bio and be part of a team that is creating the next generation of fusion protein therapies to improve the lives of patients with cancer. Our entrepreneurial culture provides an opportunity for growth and impact, and rewards creativity and drive. We value bright minds and team players.

If you share our sense of urgency and dedication to patients, we invite you to explore our open positions. Send your resume to

Open Positions:

Chief Medical Officer
Director, Analytical Sciences
Director, Project Management
Director, Regulatory Affairs (CMC)
Executive Director, Strategic Planning and Investor Relations
Vice President, Finance

Note to Employment Agencies: Please do not forward any agency resumes. Sesen Bio is not responsible for any fees related to resumes that are unsolicited.


Check back for future career opportunities.