Aerpio Pharmaceuticals, Inc. announced that Stephen Hoffman, M.D., Ph.D. has accepted the appointment as Chief Executive Officer of the company, effective as of December 1, 2017. Subsequently, on December 14, 2017, Dr. Hoffman was elected as a Class I director of the company, to serve in such capacity until the company's 2018 annual meeting of stockholders and until his successor is duly elected and qualified or until his earlier resignation, death or removal.