Our Team


Travis McCarty

travis@vrcsllc.com ↗

Travis was raised on a beef cow-calf operation in southwest Kansas. He received B.S. and D.V.M. degrees from Kansas State University. After graduation from Kansas State, Travis accepted a one-year internship at Oklahoma Equine Hospital, working under the supervision of noted equine veterinarian, Dr. Joe Carter. Following his internship, he worked for 7 years at Ashland Veterinary Center in Ashland, KS. Working with Dr. Randall Spare and associates, Travis focused mostly on cow-calf herd health, reproduction, and feedlot medicine.
Del Miles received a Bachelor of Science and Doctor of Veterinary Medicine degrees from the University of Missouri, and a Master of Science degree from Kansas State University. After graduation, he joined a mixed practice and then an exclusive small animal practice. Following graduate school at Kansas State University he was employed by what is now Bayer Laboratories, followed by employment by what is now Animal Health International. After being involved in feedlot management he established Veterinary Research & Consulting Services, LLC in 1984.

Tom Portillo

tom@vrcsllc.com ↗

Following graduation from Colorado State University in 1997, Dr. Tom Portillo spent three years practicing in New Mexico and Arizona, where he focused on equine medicine and large animal production medicine. Tom moved to Greeley and joined VRCS, LLC in 2000, focusing entirely on feedlot consultation for almost eight years. In 2008 Tom moved to Amarillo, Texas to work in the pharmaceutical industry focusing on INAD and post-approval pharmaceutical research and technical support. At the same time he did some relief work at Mobile Veterinary Practice.

Simon Timmermans

simon@vrcsllc.com ↗

Dr. Simon Timmermans is a native of Washington State. His early interest in ruminant nutrition and veterinary medicine came from growing up on his family dairy farm. He attended Washington State University and received the MS degree in Animal Science and ruminant nutrition, with research emphasis on processing corn silage and evaluating a new method to measure rumen microbial output. He earned the DVM degree from Iowa State University. Simon's practice is exclusively ruminant nutrition and medicine, with both dairy and beef clients.

Randy Hunter

randy@vrcsllc.com ↗

Randy Hunter received the Bachelor of Science degree in Biology from Carroll College in Helena, MT. He received the DVM degree from Colorado State University, and following graduation he established Hunter Cattle Company, LLC, a stocker operation that purchases several thousand calves each year, grazes them on various ranches, and sells them as yearlings. He operated Veterinary Services Inc, a mixed practice in Wheatland, WY until 1995. In addition to managing his yearling operation, Randy does contract work for VRCS, LLC in feedlots and research studies.
Dr. Smith was raised on a small livestock farm in SE Kansas. He received the BS and MS degrees in animal science at Kansas State University, and was commissioned as an Army Air Defense Artillery officer through the K-State Army ROTC program. He served two years on active duty, then 23 years as an active Army Reservist, retiring as a Lieutenant Colonel. Following graduation from veterinary school, he completed a large animal medicine and surgery internship at Oklahoma State University, and later worked as a Field Services Clinician for 15 years at Oklahoma State.
James T. (Trent) Fox was raised on a farm in south-central Kansas. His lifelong interest has been cattle production. He received a Ph.D. in Diagnostic Medicine/Pathobiology and a D.V.M. from Kansas State University, as well as a M.S. in Ruminant Nutrition from Texas A&M University. For 5 years after graduation from veterinary school, Trent worked as a staff veterinarian for a large cattle feeding organization in Greeley, Colorado. He was responsible for the health and well-being of their cattle, and played an active role in their research program.
Miles Theurer

Miles Theurer

miles@vrcsllc.com ↗

Miles Theurer grew up on a family farm and cow/calf operation in south central Kansas. He did a dual DVM/Ph.D. program at Kansas State University. His Ph.D. was in Epidemiology focusing on experimental design and statistical analysis. Miles coordinates research projects and evaluates data for VRCS, LLC to provide information to consultants to practice evidence based medicine.
Ryan McCollum
Ryan was raised on ranches in the Texas panhandle and Eastern New Mexico. He received a B.S. in animal science and a DVM from Oklahoma State University. Following graduation, he commissioned in the US Army Veterinary Corps where he served 5 years on active duty and continues to serve as a Major in the Reserves. Following his active duty tour and a short time in mixed practice Ryan entered into a beef cattle production practice that serves clients across all industry segments.