STEVE MAHONEY

President, Chief Financial and Operating Officer

As Magenta’s President, Chief Financial and Operating Officer, Mr. Mahoney leads the Company’s Executive Team and oversees all aspects of financial planning and analysis, as well as investor community engagement, including investor relations and other external stakeholder communications, in addition to R&D capital allocation strategy and operations and facilities management.

Mr. Mahoney has more than 20 years of global biotechnology sector industry experience. Most recently, Mr. Mahoney served as President and Chief Operating Officer of Kiniksa Pharmaceuticals, Ltd., where the company raised capital in three private financing rounds, an initial public offering and a follow-on financing. Prior to his time at Kiniksa, Mr. Mahoney served as Chief Commercial Officer, among other executive titles of increasing responsibilities, at Synageva Biopharma. Previous to that, he was Regional Director, Legal – Asia Pacific Region for Genzyme Corporation, following other roles for the organization.

Mr. Mahoney holds a JD/MBA from Boston College and a BA from Colorado College.