Stefani A. Wolff has served as Chief Operating Officer and Executive Vice President of Product Development since June 2021. Ms. Wolff is a Board Member at Rain Therapeutics Inc., a precision oncology company, and previously served in a variety of roles at Principia Biopharma Inc., including as Chief Development Officer from August 2018 to September 2020, and as Senior Vice President of Strategy and Operations from January 2017 to August 2018. From May 2013 until December 2015, she was Vice President of Development at Onyx Pharmaceuticals, Inc. and participated in the company’s transition to Amgen. Ms. Wolff spent significant time at Genentech, Inc. and participated in founding the Oncology business, including commercially launching Rituxan in 1997 and building the BioOncology brand, and in development leading the B-cell therapy portfolio across multiple molecules. Early in her career she served in a variety of roles at Eli Lilly & Co. Ms. Wolff earned her B.A. in Chemistry and B.S. in Pharmacy from the University of North Carolina, Chapel Hill.