Our Team

A bit about the faces behind Warioto Farm Inc.

Joni Werthan, Owner and President

Joni Werthan, owner and president of Warioto Farm Inc., has for over three decades pursued her commitment to breeding horses for the American Hunter Industry. Joni continues to put the work behind the words "To breed horses that combine correct conformation, kind disposition and athletic ability for the Hunter Industry." Joni has served on the boards of the Middle Tennessee Hunter and Jumper Association, International Hunter Futurity, co-chairman of the IHF Challenge Series, AHSA Hunter Breeding Committee, Washington International Horse Show, Nashville CARES Horse Show and Family and Children's Services and volunteers at Alive Hospice and Colby's Army. Joni continues her involvement with many non-profit organizations showing her deep commitment to the welfare of both horses and humans. Joni can be seen showing in the Adult Amateur Hunter division.

Joni Werthan was honored by the State of Tennessee House of Representatives with a resolution honoring herself and Warioto Farm Inc. on their exemplary achievements in the Hunter/Jumper industry.

Jim Williams, Trainer

We are thrilled to have Jim Williams training and teaching at Warioto Farm Inc. in a relaxed but professional environment. Jim has many years of experience training and teaching hunter/jumper riders to compete and win. His resume includes Assistant Trainer to Danny Robertshaw --training numerous Horses of the Year including Hoodwink, Arc de Triomph, Harvard Yard , and Platterdale. Trainer and rider for Kathy and Joe Patton (the parents of Beezie Madden) and Director of Riding--at Southern Sem College.

Jim also founded the CARES Classis Horse Show in Franklin TN, raising over $100,000 for Nashville CARES in the fight against AIDS

Kelly Mullen, Trainer/Rider

Warioto Farm Inc. is honored to have Kelly Mullen ride, train and show the Warioto horses.

Theresa DeHoff, Office Manager/VP

Office Manager and Vice President of Warioto Farm Inc., Theresa came to Warioto Farm Inc. in 2010 with vast knowledge in the hunter industry, having worked for and with such noted professionals as David Wright, Skip and Anne Thornbury and Christina Fiore at River Circle Farm. Theresa spent many years braiding and preparing horses for the "A" circuit and setting up for horse shows at the highest level. She spent 5 years at Catherine Parke's Valkyre Stud in Georgetown, KY where she helped prepare Thoroughbreds for the Kentucky sales and oversaw the retirement program. She bring s unparalleled compassion and care to Warioto
Farm Inc.

Stephanie Hall

As a trainer, Stephanie's clients have had major successes throughout the Midwest and Southeast at such shows and venues as Wellington, Ocala, Kentucky, Pony Finals, and Indoors to name a few. Having run her own business for decades, Stephanie is well-versed in all aspects when it comes to the quality care of the horses, clientele, and operations of the farm overall. This lifelong experience allows Stephanie to assist and manage multiple aspects of the farm. As our newest team member, Stephanie looks forward to continuing the best of care, quality, and tradition that is Warioto Farm Inc.