Mike Cloonan

Mike is the President and Chief Executive Officer of Sionna. He is a respected biotech leader with over 20 years of biopharma experience across global organizations. Most recently he served as Chief Operating Officer at Sage Therapeutics leading all the business functions (commercial, medical affairs, government affairs, business development, technical operations, strategy, and program management) and G&A functions. During his four years with Sage, he helped lead the growth of the organization through multiple capital raises, the launch of the company’s first product, and the execution of a transformational, multi-billion dollar collaboration.

Prior to Sage, he had a 14-year tenure at Biogen in various business and commercial roles. His most recent role at Biogen was as Senior Vice President, U.S. Commercial, where he was the general manager of the multi-billion dollar MS, hemophilia, and SMA franchises. Prior to Biogen, Mike worked at Bain & Company as a consultant specializing in healthcare. Mike earned his MBA from the Darden Graduate School of Business Administration at the University of Virginia and a B.A. from the College of the Holy Cross.