Han Wettenstein

Han Wettenstein is an experienced finance professional currently serving as Corporate Controller at Grand River Solutions since October 2024. Prior to this role, Wettenstein held positions including Vice President and Controller at Tierra Biosciences, where efforts focused on advancing synthetic biology and custom protein manufacturing. Additional experience includes key financial leadership roles at Graybug Vision, Inc., Kinestral Technologies, Bio-Techne Corporation, Ocera Therapeutics, and Amyris. Wettenstein’s career began in accounting, progressing through positions such as Accounting Director at Symyx Technologies and Senior Accountant at Phoenix Technologies. Han Wettenstein holds a Bachelor of Business Administration from the University of Phoenix.