Support Staff

Makenna Ackerly

Veterinary Assistant

Makenna grew up in Parker, Colorado, where she began riding Saddlebreds at 12 years old. She moved to Fort Collins to pursue a bachelor's degree in Equine Sciences. Here, she was heavily involved in the colt starting program and began riding reining horses.

Whitney McMillan

Head Veterinary Assistant/Inventory Manager

Whitney graduated from Colorado State University in 2010 with a double major in Equine Science and Business Marketing.

Sponsored Riders

Jessica Greer

Sponsored Rider

Jessica Greer is a Grand Prix dressage trainer who has been riding 30+ years, 17 of those as a professional.

Jimmy Daurio

Sponsored Rider

I was born and raised in Pueblo Colorado and was horse crazy since I could walk. I grew up showing in local saddle clubs , 4-H and RMQHA. 

Sierra Neiberger

Sponsored Rider

My name is Sierra Neiberger. I was born and raised in a small mountain town in Colorado. My husband and I work full time on our cattle ranch and I work part time as an EMT.

Veterinarians

Dr. Marianne Marshall-Gibson

Owner/Veterinarian

Dr. Marianne Marshall-Gibson grew up caring for clients’ horses and assisting veterinarians at her parent’s 54-stall Hunter/Jumper and Dressage facility in the Chicago suburbs. She began riding at age six and later competed in hunters and equitation in USEF/USHJA shows.

Dr. Denise Branecky

Associate Veterinarian

Dr. Denise Branecky grew up in Newtown, Connecticut where she was introduced to horses and riding at a young age through her mom’s love of horses.