Ryan Barrett
Chief Legal and Business Officer
Ryan became Chief Legal and Business Officer in 2025, previously serving as General Counsel since joining atai in 2020.
For more than a decade, Ryan has served on the executive teams of public and private biotechnology companies where he was responsible for building and leading the legal, corporate development, and intellectual property functions.
Ryan is an attorney admitted to the bar of the Commonwealth of Massachusetts. He received his Juris Doctor (JD) from Case Western Reserve University School of Law and holds a B.S. in biochemistry and a B.A. in Italian language from Trinity College.
Senior Leadership
Srinivas Rao, M.D., Ph.D.
Co-Founder and Chief Executive Officer
Anne Johnson
Chief Financial Officer
Gerd Kochendoerfer, Ph.D.
Chief Operating Officer
Robert Conley, M.D.
Chief Research and Development Officer
Kevin Craig, M.D.
Chief Medical Officer
Glenn Short, Ph.D.
Chief Scientific Officer
Ryan Barrett
Chief Legal and Business Officer
Board of Directors
Srinivas Rao, M.D., Ph.D.
Co-Founder and Chief Executive Officer
Christian Angermayer
Founder and Chairman of the Board
Scott Braunstein, M.D.
Vice-Chairman of the Board and Director Science and Technology Committee, Co-Chair Audit Committee, Member
Laurent Fischer, M.D.
Director Compensation Committee, Chair Science and Technology Committee, Member
Rob Hershberg, M.D., Ph.D.
Director Nominating and Corporate Governance Committee, Member Science and Technology Committee, Member
Andrea Heslin Smiley
Director Nominating and Corporate Governance Committee, Chair Audit Committee, Member
John Hoffman
Director Audit Committee, Member Compensation Committee, Member
Amir Kalali, M.D.
Director Science and Technology Committee, Co-Chair Nominating and Corporate Governance Committee, Member
Sabrina Martucci Johnson
Director Audit Committee, Chair Compensation Committee, Member
