 SAN FRANCISCO, Aug. 16, 2021 GLOBE NEWSWIRE -- FibroGen, Inc. NASDAQ: FGEN announced the retirement of Pat Cotroneo, Chief Financial Officer, and the appointment of Juan Graham in that role. Pat will continue as Chief Financial Officer through September 6, 2021, and will remain with FibroGen through March 31, 2022 serving as Executive Advisor to the CEO to ensure a smooth transition. 