Mr. Gustafson has more than 25 years of diverse experience in corporate finance. He currently serves as chief financial officer, principal accounting officer and executive vice president of Spectrum Pharmaceuticals, Inc (Nasdaq:SPPI). He previously served as the chief financial officer of Halozyme Therapeutics, Inc. (Nasdaq:HALO) (2009 – 2013). From 1991 to 2009 he worked at Amgen (Nasdaq:AMGN), holding various financial roles as vice president finance, chief financial officer of Amgen International and treasurer. Prior to joining Amgen, he worked in public accounting as staff auditor at Laventhol & Horwath in Chicago. He has been an independent director of Xencor, Inc. since 2014.
Mr. Gustafson holds a B.A. degree in Accounting from North Park University in Chicago and an M.B.A from University of California, Los Angeles.