Mr. Pfeffer served as a member of the board of directors of MannKind Corporation from January 2016 through October 2017, and served as a special adviser to the company from November 2017 through February 2019. He served as Chief Executive Officer and Chief Financial Officer of MannKind from January 2016 through May 2017, and as Corporate Vice President and Chief Financial Officer of MannKind from April 2008 until January 2016. Previously, Mr. Pfeffer served as Chief Financial Officer and Senior Vice President of Finance and Administration of VaxGen, Inc. from March 2006 until April 2008, with responsibility for finance, tax, treasury, human resources, information technology, purchasing and facilities functions. Prior to VaxGen, Mr. Pfeffer served as Chief Financial Officer of Cell Genesys, Inc. During his nine-year tenure at Cell Genesys, Mr. Pfeffer served as Director of Finance before being named Chief Financial Officer in 1998. Prior to that, Mr. Pfeffer served in a variety of financial management positions at other companies, including roles as Corporate Controller, Manager of Internal Audit and Manager of Financial Reporting. Mr. Pfeffer began his career at Price Waterhouse. Mr. Pfeffer graduated from the University of California, Berkeley and is a Certified Public Accountant.