Olivier te Boekhorst
President and Chief Executive Officer, Director
Mr. te Boekhorst was appointed President, Chief Executive Officer, and Director of ImmuCell in November 2025. He brings over 25 years of leadership experience in animal health. Before joining ImmuCell, he served as an Operating Partner at ARCHIMED, a global healthcare investment firm where he focused on animal health investments and served as Chief Executive Officer and Chairman of a portfolio company. Prior to that, Mr. te Boekhorst was at IDEXX (NASDAQ: IDXX) from 2004 to 2022. He led IDEXX’s strategy and M&A activities from 2004 to 2008 and was the Senior Vice President and General Manager of IDEXX’s livestock and dairy antibiotic residue businesses, expanding innovation for producers worldwide and advancing solutions to support animal health and food safety. Earlier in his career, he worked at The Boston Consulting Group. He serves as a Trustee of the Portland Symphony Orchestra and as a Director of PortTIX and previously served on the Board of Portland Ovations. Mr. te Boekhorst holds a bachelor’s degree from Bard College and an MBA from Cornell University.
Timothy C. Fiori
Chief Financial Officer, Director
Mr. Fiori was elected to serve as Chief Financial Officer effective April 7, 2025. For the past 24 years, Mr. Fiori has held various financial and commercial operating positions at Idexx Laboratories in Westbrook, Maine, most recently as its Senior Director Finance, Commercial Operations since 2020. He graduated with honors from the University of Maine, Orono with a Bachelor of Science degree in Finance in 2001.
Bobbi Jo Brockmann
Vice President of Sales and Marketing, Director
Ms. Brockmann joined the Company as Director of Sales and Marketing in January 2010 and was promoted to Vice President of Sales and Marketing in February 2015. Prior to that, she had been employed as Director of Sales since May 2008 and Sales Manager from February 2004 to April 2008 at APC, Inc. of Ankeny, Iowa, a developer and marketer of functional protein products for animal health and nutrition. Prior to that, she held other sales and marketing positions at APC, W & G Marketing Company, Inc. of Ames, Iowa, The Council for Agricultural Science and Technology of Ames, Iowa and Meyocks Group Advertising of West Des Moines, Iowa after graduating from Iowa State University.
Gloria J. Basse
Director
Ms. Basse was appointed to the Board of Directors in April 2019. She currently serves as Chair of the Nominations Committee and a member of the Compensation and Stock Option Committee. Ms. Basse is the Senior Executive Director of Tonisity International, an animal nutrition company with offices in Ireland, Brazil and the United States, from 2017 to the present. Since 2016, Ms. Basse has been an Industry Expert at Kearney, a global business management and strategy consulting firm providing services to agriculture, biotechnology and food companies. She held various leadership positions at Zoetis from 1985 to 2015 and most recently served as Vice President of its U.S. Pork business. Ms. Basse is a graduate of the University of Wisconsin-Madison and earned her Masters in Business Administration from the Simon Business School at The University of Rochester in New York.
Michael F. Brigham
Director
Mr. Brigham served as President and Chief Executive Officer from February 2000 through October 2025. He was appointed to serve as a Director of the Company in March 1999. He previously had been elected Vice President of the Company in December 1998 and had served as Chief Financial Officer since October 1991. He served as Secretary from December 1995 through October 2025 and as Treasurer from October 1991 through October 2025. Prior to that, he served as Director of Finance and Administration since originally joining the Company in September 1989. Mr. Brigham served as the Treasurer of the Board of Trustees of the Kennebunk Free Library from 2005 to 2011. He re-joined the Finance Committee of the library in 2012. Prior to joining the Company, he was employed as an audit manager for the public accounting firm of Ernst & Young. Mr. Brigham graduated from Trinity College in Hartford, Connecticut in 1983 and earned his Masters in Business Administration from New York University in 1989.
Bryan Gathagan
Director
Mr. Gathagan was appointed to the Board Directors in June 2023. He is a member of the Audit and Nominations Committees. Mr. Gathagan has 28 years of animal health experience and is a founding member of Animalytix LLC, serving as its Chief Financial and Chief Technology Officer since it began operations in 2010. Prior to Animalytix, he was a senior executive and Vice President of IT and Finance for Intervet, Inc. and oversaw various finance, IT, and general business functions between 1998 to 2008, including 3 years in a global role based in The Netherlands. Before entering the animal health industry, he served as a Vice President at MBNA and Norwest Bank responsible for various IT functions and started his career in IT roles at the University of Maryland, Baltimore County (UMBC). Mr. Gathagan is also the owner and the managing member of broad Thinking, LLC, a management consulting firm and he holds a BS in Information Systems Management from UMBC and an MS in Business from Johns Hopkins University.
Steven T. Rosgen
Director
Mr. Rosgen was appointed to the Board Directors in January 2018. He currently serves as Chair of the Compensation and Stock Option Committee and a member of the Audit Committee. Based in Calgary, Alberta, Canada, Mr. Rosgen has more than 35 years of experience building brand strategy for products, services and organizations across industries including working with leading global agricultural and business-to-business brands. Currently, he is President of Strategem Research Inc., a company he founded in 2005 to integrate consumer insights into clients’ pricing and branding strategies.
David S. Tomsche, D.V.M.
Chair of the Board
Dr. Tomsche was appointed to serve as Chair of the Board of Directors in February 2013 and is a member of the Compensation and Stock Option Committee. He is a large animal veterinarian and owner of Leedstone Inc., an animal health distribution and milking system installation company, J-t Enterprises of Melrose, Inc., an exporter of ImmuCell products, and Dairyridge, Inc., a 2000-head dairy. He served as a director of VetPharm, Inc., an animal health products distributor, from 1995 until the company was sold in 2007. He obtained his Doctor of Veterinary Medicine from the University of Minnesota.
