Steve Crouse has over 20 years of experience in research and development, business development, and general management. Mr. Crouse has served as the Senior Vice President and General Manager of the Analytical Solutions Division at Bio-Techne Corporation, a public life sciences company, since March 2021, overseeing the company s ProteinSimple branded products and R&D Systems Immunoassays portfolio. Previously Mr. Crouse served as the Senior Director and General Manager of the Protein Detection and Quantification unit at Thermo Fisher Scientific Inc. from June 2018 to March 2021. Prior to that, Mr. Crouse served as Chief Operating Officer at Vortex Biosciences, Inc. and Senior Vice President of Sales and Marketing at Freeslate Inc., which was sold to Unchained Labs in 2016. He also held leadership roles at Bio-Rad Laboratories and Invitrogen Corporation. Mr. Crouse holds a B.S. in pharmacology from the University of California, Santa Barbara, an M.S. in biochemistry from Georgetown University, and an M.B.A. from the Marshall School of Business at the University of Southern California. Mr. Crouse s executive experience operating and managing public life sciences companies contributed to our board of directors conclusion that he should serve as a director of our company.