Samuel J. Reich
Sam J. Reich

Samuel J. Reich has served as executive chairman of our board of directors since our business combination with Big Cypress Acquisition Corp in October 2021 and prior to that was Chief Executive Officer, Chief Financial Officer and a member on the board of directors of Big Cypress Acquisition Corp since its inception in November 2020. Mr. Reich co-founded Biscayne Neurotherapeutics, Inc. in 2011 and served as its Executive Chairman until its sale to Supernus Pharmaceuticals (Nasdaq: SUPN) in October 2018. Biscayne Neurotherapeutics was focused on novel treatments for seizure disorders. Previously, Mr. Reich was the Executive Vice President of OPKO Ophthalmologics, a division of OPKO Health, Inc. (Nasdaq:OPK) from March 2007 to November 2008, where Mr. Reich served on the executive committee and lead the Ophthalmologics business division. Prior to his position at OPKO, Mr. Reich was the Founder and Executive Vice President of Acuity Pharmaceuticals, Inc., where he worked from July 2002 through March 2007, at which time Acuity Pharmaceuticals merged with OPKO Health. Mr. Reich was a doctoral candidate in the Department of Ophthalmology at the University of Pennsylvania Medical School. He left graduate school prior to the completion of his Ph.D. to establish Acuity. Prior to that, he was a graduate student at the University of Pennsylvania in the Biomedical Studies graduate program. He has authored six peer- reviewed scientific publications and is currently an inventor on sixteen issued U.S. patents and over 50 issued foreign patents. Mr. Reich holds a B.A. with High Honors in Biochemistry from Clark University, cum laude, Phi Beta Kappa.

Our board of directors believes that Mr. Reich is qualified to serve on our board of directors because of the perspective and experience he brings as Executive Chairman and extensive background in the life sciences industry.

David Link, MBA
David Link
David Link, MBA, has served as a member of our board of directors since 2018 and is currently Vice-Chairman. Mr. Link is the former executive vice president and chief strategy officer at Sanford Health with more than three decades of experience in strategy, planning and financial operations. During his tenure, Mr. Link contributed significantly to growing the organization from a regional health system into one of the nation’s largest non-profit, integrated health care delivery systems. He was also charged with overseeing Sanford Health Plan, Sanford Foundation and research and development, including Sanford Research. Under his leadership, the initial Sanford Clinic was created as well as the development of Sanford World Clinics, an initiative designed to provide communities around the world with permanent, sustainable health care infrastructure. Currently, David serves as an appointed program director in the President’s Office at Dakota State University, one of the nation’s leading programs in cyber security. Dave holds board or committee positions with Enterprise 605, the South Dakota REACH Committee, South Dakota Research and Commercialization Council and Sanford Research. In 2019, he was honored for his exemplary leadership and support of the state’s bioscience industry with the LIVE Award at the South Dakota Biotech. Dave holds a bachelor’s degree in data processing and computer science, an MBA from the University of South Dakota and a master’s in healthcare administration from the University of Minnesota.
Eddie J. Sullivan, PhD
Eddie J. Sullivan
Eddie J. Sullivan, PhD, is our co-founder and has served as our president and Chief Executive Officer since 2014. Dr. Sullivan has served in biopharma leadership positions for more than 25 years. Prior to joining SAB, he was the CEO of Hematech, a subsidiary of Kyowa Hakko Kirin, where he led initiatives to develop infectious disease, cancer, and autoimmune immunotherapies. In addition to raising over $250 million in capital to develop biopharmaceutical platform technologies, he has led several successful mergers and acquisitions. A recognized thought leader in antibodies and transgenic animals, Dr. Sullivan serves on the board of directors for the Biotechnology Innovation Organization (BIO), has served on its executive committee and founded the state affiliate of BIO, South Dakota Biotech. Dr. Sullivan was governor-appointed to South Dakota’s Research Commercialization Council and is Chairman of the state’s National Science Foundation-EPSCoR (Established Program to Stimulate Competitive Research) committee. Dr. Sullivan earned two Ph.D.’s in Health Science Administration and Reproductive Physiology from Kennedy Western University and Utah State University, respectively. In addition, he holds a M.S. in Reproductive Physiology and Molecular Biology from Brigham Young University and a B.S. in Animal Health Sciences from the University of Arizona.
Scott Giberson, RPh, MPH, D.Sc.
President, AMI and Rear Admiral (Ret)

Rear Admiral (RADM), retired, Scott Giberson joined the SAB board of directors in July, 2022. He is currently the President of AMI Expeditionary Healthcare, a private global healthcare solutions company where he fosters global client relations at the highest levels. Clients include senior leadership of multiple U.S. and foreign government entities, the WHO, UN, and private industry partners such as the Gates Foundation. RADM Giberson retired after 27 years as a two-star admiral and as an Assistant U.S. Surgeon General. RADM (ret.) Giberson served as the acting Deputy Surgeon General of the United States (2013-2014), he was the Surgeon General’s principal liaison with health leadership in multiple U.S. Departments. He also held executive positions as the Senior Advisor to the Office of Surgeon General, Director of Commissioned Corps Headquarters, Chief Pharmacist of the USPHS (2010-2014), Director of the IHS National HIV/AIDS Program and Senior Public Health Advisor for Pacific Command’s Center of Excellence in Disaster Management and Humanitarian Assistance (2003-2006). He served as overall Commander of the Commissioned Corps’ Ebola Response in West Africa. RADM Giberson has authored numerous articles and delivered well over 100 keynote lectures on leadership, global health, and public health at numerous venues both domestically and internationally. RADM Giberson has received many awards including the Presidential Unit Citation from President Obama in the Oval Office for leadership during the West African Ebola response. The Military Officers Association of America selected him as one of the “Top 100 Veterans in the Last 100 Hundred Years You Need to Know”. RADM Giberson is a graduate of Temple University and U. of Massachusetts/Amherst, holds a Pharmacy degree and licensure, MPH, and graduate certificate in Health Emergencies in Large Populations from the International Committee of the Red Cross. He has received three honorary Doctoral degrees (one for his pioneering work in interprofessional practice). He is also a Fellow of a Wharton Business School (U. of Pennsylvania) Executive Leadership Program.

Christine Hamilton, MBA
Christine Hamilton
Christine Hamilton, MBA, is our co-founder and has served as a member of our board of directors since 2014. Ms. Hamilton is the co-owner and managing partner of Christiansen Land and Cattle, Ltd., a large diversified farming and ranching operation in central South Dakota, and is also the co-owner of Dakota Packing, Inc., a wholesale meat distribution business. Ms. Hamilton is a director of Titan Machinery, a publicly-traded Farm and Construction Equipment Company, and a former director for the Federal Reserve Bank, Ninth District, located in Minneapolis, Minnesota. Among other attributes, skills and qualifications, the Board believes that Ms. Hamilton is uniquely qualified to serve as a director based on her extensive experience in the agri-business sector and in management roles and her knowledge of operating strategies and priorities and challenges in business decision-making. Ms. Hamilton has an MBA in Entrepreneurship from the University of Arizona and an AB in Philosophy from Smith College.
Edward Hamilton, DVM, MAgr
Co-Founder, Board Observer
Eddie Hamilton
  • Played a key role in national development of Standardized Performance Analysis (SPA)
  • Co-Founder and member of the Board of Managers of BioDak, LLC
  • Board member of MHCH Family Foundation
  • Past President of the Farm Financial Standards Council

Dr. Edward Hamilton is a large animal veterinarian and entrepreneur who has four decades of experience in food animal production, animal health, agricultural business analysis, and design and construction of animal facilities. He also consulted on animal production challenges for biotechnology companies and was a faculty member at two land grant universities: South Dakota State University and University of Nebraska-Lincoln. Hamilton also managed several businesses including animal health companies, an animal genetics company, a service and maintenance company, an animal reproduction company, and a farming and ranching operation.

Hamilton has fifteen years of experience in private practice of large animal veterinary medicine in Texas. He also has fifteen years of experience in university teaching and extension experience at South Dakota State University, University of Nebraska-Lincoln, and Texas A&M University.

Dr. Hamilton’s primary area of expertise is in the integration of health, production, and financial records for production agriculture. He also played a key role in the national development of Standardized Performance Analysis (SPA), which is a business analysis tool for production agriculture. Along with these, he has also authored and co-authored multiple articles and book chapters on production, financial analysis, and health management programs for beef cattle.

Edward Hamilton has degrees from Texas A&M University including a B.S. in Veterinary Science, a Doctor of Veterinary Medicine cum laude, and a Masters of Agriculture Economics. He also serves in leadership and ownership roles for BioDak, LLC., Christiansen Land and Cattle, LTD., Iron Horse Development Company, LLC., and MHCH Family Foundation.

Hamilton is a retired Professor Emeritus of Veterinary and Biomedical Sciences at South Dakota State University. He was also a Clinical Instructor at University of Nebraska-Lincoln.

He resides with his wife, Christine, on the family ranch near Oacoma. They have four daughters and eight grandchildren.

Bill Polvino, MD
Dr. William J. Polvino
Dr. William J. Polvino, MD, has served as a member of our board of directors since 2019, after having served as our business advisor for several years. Dr. Polvino is pharmaceutical entrepreneur with more than 25 years of experience in the healthcare arena. He is currently chief executive officer of Bridge Medicines, a pioneering drug discovery company focused on advancing promising early technologies from concept to clinic. Prior to Bridge Medicines, Dr. Polvino was president and chief executive officer of Veloxis Pharmaceuticals A/S (NASDAQ-OMX: VELO), a public biotechnology company that deployed proprietary formulation technology to develop and commercialize an innovative oral drug product for transplant patients. He also served as president and CEO of Helsinn Therapeutics (formerly Sapphire Therapeutics) and has held executive and senior-level positions in drug development at Merck, Wyeth and Theravance. Dr. Polvino earned his medical degree from Rutgers Medical School and a B.S. in Biology from Boston College. He trained in internal medicine at Massachusetts General Hospital and was a fellow in clinical pharmacology at the National Institutes of Health prior to entering the pharmaceutical and biotechnology industry.
Jeffrey G. Spragens
Jeffrey G. Spragens

Jeffrey G. Spragens has served as a member of our board of directors since November 2020. From 2005 through 2013, Mr. Spragens was a Co-Founder and the CEO of SafeStitch Medical, Inc., a medical device company that pioneered incisionless surgery techniques that helps to relieve GERD and obesity. In 2013, SafeStitch merged with TransEnterix, Inc. (NYSE: TRXC). In addition, Mr. Spragens was one of the three founding board members of North American Vaccine, which became a publicly traded company in 1990. At North American Vaccine, Mr. Spragens was responsible for securing initial financing and building a commercial manufacturing facility. Mr. Spragens was instrumental in North American Vaccine’s acquisition by Baxter International (NYSE: BAX) in 1999. Mr. Spragens has also been a successful real estate developer and entrepreneur. Mr. Spragens was President of FCH services from 1973 until 1986. FCH developed and managed units of coop and condo housing financed with HUD financing with offices in several major cities. In 1986, Mr. Spragens converted to condo ownership 1,000 apartment units in San Mateo, California, resulting in one of the largest residential projects in California at that time. Mr. Spragens was Managing Partner of Gateway Associates, Inc. from 1990 to 2000. In addition, Mr. Spragens is President and 50% owner of Mint Management Company, a residential property management company he co-founded in 1987, which develops, owns and operates apartment units in New Jersey, Michigan and Kansas. Mr. Spragens developed and continues to own and operate Inman Grove Shopping Center in Edison, New Jersey. Mr. Spragens is also a well-known and respected philanthropist. Mr. Spragens is a Founding Board Member and Treasurer of Foundation for Peace. Foundation for Peace provides healthcare, education, and clean water to those in need in Dominican Republic and Haiti. He is also a member of the Board of Directors and Finance Committee of Hernia Help, which provides free hernia surgery to underserved children and adults in developing countries. Mr. Spragens has a BA from the University of Cincinnati, a Law Degree from George Washington University, and an MA from American University.

Mr. Spragens is well qualified to serve on our board of directors because of his extensive public company management and multi-sector investment experience, and his public company board experience.