Retired Founding Partner
“Third Rock is about working with extraordinary people in science and medicine who are passionate about making a difference for patients.”
Mark co-founded Third Rock with over 40 years of experience, including more than 30 years launching and building biotechnology companies. Mark focuses on the formation, development and strategic governance of our portfolio companies. Mark contributes as an advisor to our Fund IV portfolio companies and will continue to play active board roles in our current Fund I, II and III portfolio companies.
Mark met Third Rock co-founders Bob Tepper and Kevin Starr while serving as chief executive officer at Millennium Pharmaceuticals, which he co-founded in 1993 and was later acquired by Takeda Oncology.