John B. Moriarty, Jr., J.D. has served as our Chief Legal Officer and Corporate Secretary since August 2024 and brings significant global legal and business leadership expertise to Avidity as a strategic advisor to Boards of Directors and executive management.

He has successfully scaled numerous global biotech companies and most recently served as Executive Vice President and Chief Legal Officer of Mirati Therapeutics through its 2024 acquisition by Bristol-Myers Squibb, Chief Legal Officer of Olema Oncology through its 2020 initial public offering, Executive Vice President and General Counsel of Portola Pharmaceuticals through its 2020 acquisition by Alexion Pharmaceuticals, and Executive Vice President and General Counsel of Alexion Pharmaceuticals as it grew to an S&P 500 global company and where he also directed the company’s global government and corporate affairs teams. Mr. Moriarty previously was Senior Vice President and General Counsel of Elan Pharmaceuticals and earlier in his career was a healthcare fraud prosecutor with the U.S. Attorney’s Office, in private practice with a national law firm, and Associate General Counsel at Amgen.

Mr. Moriarty received a B.A. from the University of Virginia and a J.D. cum laude from the University of Georgia School of Law.