Ms. Yun Han serves as Interim Chief Financial Officer and as Chief Accounting Officer as of October, 2022. Ms. Han has extensive accounting and finance experience, most recently as Senior Vice President and Chief Accounting Officer of Romeo Power, Inc. (NYSE: RMO). She was previously Vice President and Controller at Immunity Bio, Inc. (NASDAQ: IBRX), and held other senior accounting and finance positions at various companies. Earlier in her career, she spent over 13 years with Price Waterhouse Coopers LLC in its technical accounting and audit practice. She is a CPA licensed in the State of California and a graduate of the University of Southern California.