Sonja Nelson

Ms. Nelson has served on the Board since June 2021. In June 2021, Ms. Nelson began serving as the Chief Financial Officer of Ambrx BioPharma, Inc, (NYSE: AMAM). Prior to that, Ms. Nelson served as the Senior Vice President, Finance, of ImmunityBio, Inc. (NASDAQ: IBRX) from March 2021 to June 2021. Ms. Nelson served as the Chief Financial Officer of NantKwest, Inc. from June 2018 to March 2021, at which time NantKwest, Inc. merged with ImmunityBio, Inc. (NASDAQ: IBRX). Ms. Nelson previously served as the Chief Accounting Officer of NantKwest, Inc. from May 2016 to June 2018 and as the VP/Corporate Controller of NantKwest, Inc. from November 2015 to May 2016. Prior to joining NantKwest, Inc., Ms. Nelson was Vice President and Corporate Controller at AltheaDx, Inc. from July 2014 through October 2015. Previously, Ms. Nelson was Senior Director and Controller at Cadence Pharmaceuticals, Inc. (acquired by Mallinckrodt plc) from May 2012 through June 2014. Prior to that, Ms. Nelson was Director, of General Accounting at Cricket Communications, Inc. (acquired by AT&T, Inc.) from September 2008 through May 2012. Ms. Nelson began her career with KPMG LLP, holds a Bachelor’s degree in business administration with a specialization in taxation and auditing from the University of Applied Sciences in Pforzheim, Germany, and is a Certified Public Accountant. Ms. Nelson was selected as a director due to her management experience with pharmaceutical and consumer health products, and her financial and accounting experience.