Early Bird Registration through Jan. 28, 2022

Large Animal Speakers

Mark Hilton


Friday, February 19

  • Proven Profit Tips for Beef Cow-Calf Veterinarians

  • Moving Your Veterinary Business to the Asset Side of the Ledger for Your Clients

BS in Animal Science, DVM both from Purdue University

1983 – 1998      Partner, DeWitt Veterinary Clinic, DeWitt, IA – 80% Food Animal Practice

1998 – 2016      Clinical Professor, Beef Production Medicine, Purdue University College of Veterinary Medicine, taught beef production medicine and was food animal ambulatory clinician, taught business/communications course to 3rd year DVM students

2016 – present  Senior Technical Consultant, beef, Elanco Animal Health

38-year DVM career focus is to help beef cow-calf owners have a healthier herd and a more successful beef business.  One of the authors of the “Vet’s Opinion” column in BEEF magazine for 21 years.

Married to Denise for 41 years, 2 sons, 2 daughter-in-law’s, 3 grandsons, 4 granddaughters.

Michelle Calvo-Lorenzo



Friday, February 19

  • Livestock Welfare: Current Trends, Tools and On-Farm Support

Dr. Michelle Calvo-Lorenzo is the Chief Animal Welfare Officer for Elanco Animal Health and joined Elanco in 2015 as an expert in livestock welfare. In her current role, Michelle leads discussions and develops strategies related to animal welfare, with a focus on the areas of research, communication, guidance, and innovative services for the livestock industry. Michelle graduated with a Master’s degree and PhD. from the University of California, Davis in 2008 and 2012, respectively. Prior to joining Elanco, she was an Assistant Professor at Oklahoma State University and developed a research and teaching program centered on livestock behavior and welfare. Working within the industry and academia over the past decade, Michelle is proud to work alongside hard-working producers, packers, industry representatives, academics, and veterinarians every day. She strives to have a positive impact on livestock welfare and enhance its role in sustainable agriculture.

Ron Tessman



Friday, February 19

  • Understanding the Relationship Between MPC and MIC

Ronald K Tessman was born and grew up in Great Falls, MT. He attended Montana State University in Bozeman, MT first studying Chemical Engineering and then Medical Microbiology before transferring to Washington State University for Veterinary school. Ronald graduated with a Doctorate of Veterinary Medicine (DVM) from Washington State University in 1997, completed a one year internship at Kansas State University in 1998 and completed a combined Large Animal Internal Medicine residency and doctoral program at the University of Missouri. After completing his doctoral program in 2006 he joined Merial in Research and Development, where he was a part of several development programs, concentrating on cattle projects. Shortly after joining Merial he completed the requirements for Preventive Medicine board certification. Dr. Tessman joined Bayer’s North American Clinical Development team in April 2016 and was the Clinical Efficacy Manager for North America Development. Since March 2021, he has been a member of the Elanco Cattle TC team reporting to Brett Terhaar.

Wayne Ayers



Friday, February 19

  • TBD

Bio Coming Soon!

Robin Falkner



Friday, February 19

  • TBD

Bio Coming Soon!

Bill Gilsenan


Saturday, February 19

  • Equine Hepatic Disease

  • Management of Pneumonia in Foals

  • Management of Pneumonia in Foals (Continued)

  • Evaluation of the Cardiovascular System in the Field

Dr. Gilsenan is a 2008 graduate of the University of Pennsylvania School of Veterinary Medicine. Following completion of an internship at Colorado State University in 2009, Dr. Gilsenan began a residency in Large Animal Internal Medicine at the University of Pennsylvania-New Bolton Center. He became a Diplomate of the American College of Veterinary Internal Medicine in 2012. He served as a faculty member at the Virginia­ Maryland College of Veterinary Medicine for three years before joining the staff at Rood and Riddle in Lexington in 2015. He is currently employed as an internist at Rood and Riddle Equine Hospital and enjoys all aspects of equine internal medicine and critical care.

Allison Stewart


Saturday, February 19

  • Management of Equine Wounds

  • Management of Equine Wounds (Continued)

  • Use of Nutraceuticals in the Horse

Dr. Allison Stewart graduated from Oklahoma State University in 1995.  She completed an internship at Kansas State University in 1996.  This was followed by a residency in Equine Surgery at Cornell University from 1996-1999, where she also completed a Master’s Degree studying stem cell therapy for cartilage injury.  She then became a night surgeon at Kansas State University in 1999-2000.  Following this she worked at Equine Specialty Hospital for 2 years working on racehorses and sport horses.  She also spent 10 years at the University of Illinois working as an equine surgeon and an assistant and associate professor before becoming an employee at Tennessee Equine Hospital.  She is currently enjoying life as enjoying life as an equine surgeon at Tennessee Equine Hospital.

Teresa Burns


Sunday, February 20

  • Equine Endocrine Disease and Laminitis

  • Equine Endocrine Disease and Laminitis (Continued)

  • Updates on Infectious Disease

  • Kidney Disease and Lower Urinary Tract Disorders

Dr. Burns received her BS and DVM degrees from Iowa State University (Colleges of Agriculture and Veterinary Medicine, respectively), and I performed my internship, residency, and PhD training at The Ohio State University’s College of Veterinary Medicine. I am an equine internal medicine specialist, board-certified by the American College of Veterinary Internal Medicine (specialty of Large Animal Internal Medicine). I am currently an associate professor of Equine Internal Medicine and the Bud and Marilyn Jenne Designated Professor in Equine Clinical Sciences and Research in the Department of Veterinary Clinical Sciences at OSU. Our research team’s efforts are focused on equine endocrinology and laminitis (in particular therapeutics useful for treating equine insulin dysregulation), and my clinical interests are equine endocrine disease, neonatology, and general internal medicine.

Brett Berthold


Sunday, February 20

  • Use of MRI in Practice-With Case Discussions

  • Use of MRI in Practice-With Case Discussions (Continued)

Dr. Brett Berthold is 1995 graduate of the Ohio State University, Dr. Berthold grew up in Ohio and spent much of his time with his father, a thoroughbred trainer, at the race track where he developed his passion for equine veterinary medicine.

Dr. Berthold always envisioned a full-service facility that could offer the best possible patient care. Together with his wife, Julie, they built the Cleveland Equine Clinic facility in Ravenna, OH.

Dr. Berthold’s professional areas of focus include lameness evaluation, respiratory health and MRI. He has been involved in the American Association of Equine Practitioners for years and participated in a number of research projects on equine respiratory health and ailments.