ATB Therapeutics Appoints Mark Throsby as CEO to Lead Next Phase of Growth

ATB Therapeutics (“ATB” or the “Company”), a biopharmaceutical company advancing next-generation antibody-based therapies for oncology and immunology, today announced the appointment of Mark Throsby, PhD, as Chief Executive Officer. The leadership transition marks an important milestone as the Company continues its evolution from a startup into a development-stage biopharmaceutical company.

This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20260513198633/en/ ATB Therapeutics Appoints Mark Throsby as CEO to Lead Next Phase of Growth

Mark Throsby has served as Executive Chairman and Chief Scientific Officer since 2024, during which time he supported the Company’s growth, including the successful closing of its Series A financing, the expansion of the scientific team, and the advancement of its therapeutic programs. In his new role, he will lead ATB’s strategy and senior leadership team as the Company prepares to enter clinical development.

As part of this transition, co-founder Bertrand Magy will move into the role of Chief Operating Officer, and co-founder Max Houry will assume the role of Chief Business Officer. Mr. Magy will focus on operations and the continued development of ATB’s proprietary antibody weaponization technology platform, while Mr. Houry will lead business development, strategic partnerships, and licensing activities.