Management and Directors
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
Senior VP of Sales and Marketing
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.
Dr. Anthony DiMarco
Director
Dr. DiMarco was appointed to the Board of Directors as of April 15, 2026 and serves on the Compensation and Stock Option Committee, the Nominating Committee, and the Strategy & Technology Committee. He worked at IDEXX Laboratories for 21 years prior to his retirement in 2024, where he had roles leading Regulatory Affairs, manufacturing and R&D as Vice President, Global Manufacturing and Vice President Infectious Disease Research and Development. Dr. DiMarco also worked at Abbott Laboratories where he held leadership positions in Product Development, Scientific Affairs, and Quality Assurance. Dr. DiMarco is the Board Chair at Educate Maine and a Founder/Director at Maine Wood Banks. Dr. DiMarco holds a B.S. in Biology from the University of Connecticut and a Ph.D in Microbiology from the University of Illinois.
Gilles Guillemette
Director
Mr. Guillemette was appointed to the Board of Directors as of April 15, 2026. He is a member of the Audit Committee and Chairs the Strategy & Technology Committee. He brings over 30 years of leadership experience in Animal Health with a depth of experience across publicly traded companies (Bayer, Elanco, Chewy, Trupanion), private equity platforms and founder-owned businesses across North America and Europe. Currently he serves as an Operating Partner at ARCHIMED, a global healthcare investment firm where he was hired to focus on the newly formed Practice of Animal and Environmental Health. As a veterinarian by training and a former CEO, General Manager and Operating Partner, Mr. Guillemette offers a differentiated combination of clinical credibility, strategic oversight and capital allocation. He has held senior executive roles with full P&L, led global strategy and business development and overseen complex regulated operations across North America and Europe. Mr. Guillemette holds a Degree in Veterinary Medicine from the Nantes Veterinary School in France.
David S. Tomsche, D.V.M.
Director
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.
Kathy V. Turner
Director
Ms. Turner was appointed to the Board Directors in April 2026. She is a member of the Audit Committee and Chair of the Compensation Committee. Ms. Turner brings more than three decades of commercial executive leadership experience in global healthcare and animal health markets and previously served on the Board of Directors of Elanco Animal Health, a leading animal health company. From 2014 to 2023, she held senior leadership roles at IDEXX Laboratories, including most recently serving as Chief Marketing Officer and Senior Vice President of International Operations, where she contributed to sustained double-digit growth across international markets. Prior to that, Ms. Turner spent nearly 30 years at Abbott Laboratories, where she held multiple leadership roles in global commercial operations. She currently serves on the Board of Veterinarians Without Borders. Ms. Turner received a B.S. in Marketing and Advertising from Syracuse University.
Paul R. Wainman
Director
Mr. Wainman was appointed to the Board Directors in March 2014. He currently serves as Chair of the Audit Committee and a member of the Nominating Committee. He qualifies to serve as a “financial expert” given his background in accounting and finance. Mr. Wainman served as Chief Financial Officer of Hancock Lumber, a 725-employee lumber and building products company located in Casco, Maine, from February 2016 and its President and CFO from January 2020 until becoming President and CEO in January 2023. From April 2015 until February 2016, he was a business strategy and financial consultant specializing in the paper and greeting card industry. Prior to that, he was President of Kleinfeld, a personalized wedding stationery company, from September 2013 until April 2015. From 2005 to 2012, he was President and CEO of William Arthur, Inc., a division of Hallmark Cards, where he led a 275-employee manufacturer of luxury stationery products. Prior to that, he served another division of Hallmark Cards as CFO and COO from 1998 to 2004. He obtained a degree in Accounting and Financial Control from Sheffield City University in England and qualified as a Chartered Accountant of England and Wales in 1990.