Diffusion Pharmaceuticals Inc. announced that Robert (“Bob”) J. Cobuzzi Jr., Ph.D., who has served as a member of the Company’s Board of Directors since January 2020, will succeed David G. Kalergis as President and Chief Executive Officer effective immediately. Mr. Kalergis will retire from his operational responsibilities but continue to serve as Chairman of the Board. David G. Kalergis has retired as president and chief executive officer of the Company but will continue to serve as chairman of the board of the Company. Dr. Cobuzzi currently serves as a Venture Partner and chairman of the Business Development Board of Sunstone Life Sciences Ventures.