SANTA CLARA, Calif.--(BUSINESS WIRE)--Relypsa, Inc. today announced the hiring of Wilhelm Stahl, Ph.D. as its Senior Vice President of Pharmaceutical Operations. Dr. Stahl is a seasoned executive with over 20 years of experience in the field of pharmaceutical research, development and manufacturing, including extensive involvement with the large-scale manufacture of polymer-based products like those being developed by Relypsa.