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Our Team

Rebecca Warth - - Head Trainer & Barn Manager

Rebecca grew up in Illinois and began riding when she was seven years old. At 12 years old, Rebecca made the decision to commit to competitive riding and moved to South Carolina to live with hunter/jumper trainer, Katie Maxwell. For over 10 years, Rebecca served as Katie's working student where she began cultivating her skills and knowledge for top-tier sport horse training and care. As a junior, Rebecca placed in the top 10 in the National Pony Hunter Finals alongside qualifying for and competing in the USEF Pony Medal, the National Pony Jumper Championships, Devon Pony Jumper Finals, NCE Finals in 2010 and 2013 (Placing 1st in 2010 in the Large Pony section and placing 3rd in the 3'6 section in 2013), the SCHJA Governors Cup Medal Finals, the 2014 USET West Coast Finals, and the 2014 Maclay Finals. Additionally, Rebecca rode to several top placings in the Junior Hunters and Junior Jumpers, as well as attended the 2013 Emerging Athletes Program with clinician, Bernie Traurig. Rebecca regularly attended clinics with Michael Page and numerous other nationally and internationally ranked professionals as a junior rider

As a professional, Rebecca worked as Katie Maxwell's assistant trainer where she harnessed her love for coaching at home and at competitions. Rebecca helped re-establish Rose Dhu Equestrian Center's lesson program in 2017 where she furthered her experience teaching first-time riders through nationally ranked competitors.  Rebecca's coaching style is geared to meet the needs and goals of each horse and rider. Under her training, Rebecca's students have successfully moved up the ranks in the hunter, jumper and equitation ring, and have qualified for year end awards and competed in year-end finals.  Alongside teaching clients at home and at competitions, Rebecca continues to compete in all levels of the Hunter and Jumper rings. Professionally, Rebecca has continued to add to her competition resume. In 2022, Rebecca rode for Zone 4 in the 1.30/35 Platinum Jumper Championships, earning a Silver Medal in the Team Championships. Rebecca has also had the opportunity to bring her young jumper up from the 6-year-olds to the Grand Prix level in the jumper ring, and the pair currently compete together at the Grand Prix level. Rebecca enjoys bringing along young hunters and jumpers, ensuring that the horses she works with are eager, knowledgeable and confident competitors and teammates in and out of the ring. 

As RDEC’s head trainer, Rebecca has approximately 20 years of equine experience. Rebecca’s approach to horse training, re-training, and rehabilitation is centered around helping each horse become physically and mentally fit so that it can reach its full potential as an individual, teammate and as a competitor. Rebecca understands that each horse’s characteristics are different, so she tailors her training program to meet each individual horse’s needs.

David Loman - - Assistant Trainer & Barn Manager

David Loman was first introduced to horses at the Rock Creek Park Horse Center in Washington DC.  He worked as a groom for Olympic medalist Joe Fargis and Conrad Homfeld’s Sandron Farm in VA., Eric Hasbrook at Belle Herb Farm in Bedford, NY and Eddie Huber in Cazenovia, NY. David spent 3 years at David Hopper’s Longgreen Farm where he rode many horses that went on to have remarkable careers such as Partly Cloudy who Katie Monaghan Prudent rode to a 2nd place finish in the 1994 Hickstead Derby.

David returned to D.C. where he started freelancing as a rider and instructor.  In 1991, David started what became Cornerstone Show Stables in Edgewater, MD. Over the 15 years of owning and operating Cornerstone, David found success combining his passion for correctly developing young horses with a unique teaching style that challenges students to think deeply about the art of riding. David's individualized teaching approach yielded numerous regional and national year-end championships in hunters, jumpers and equitation. 

David spent many years working with Kim Clark at Thoroughbred Placement Resources  and was one of the 26 horsemen selected to participate in the Inaugural Thoroughbred Makeover and National Symposium. He also served as a member of the Maryland Horse Show Association Board of Directors. David then took his dedication to creating excellent horsemen to Albion College where he was the Assistant Coach of their IHSA hunt seat team. David, his wife Laura, a Physical Therapist specializing in both equine and human equestrian athletes, and their son Austin have settled in Bluffton, SC.
Lauren Marsh - - Barn Manager 


Lauren has been our team's barn manager for 15 years.  She has an Animal Sciences degree with an emphasis in Equine Business.  Lauren has been a rider and horse owner for many years.  Lauren specializes in customer service for the owners while prioritizing good horse care.  She is knowledgeable about nutrition, first aid, farrier issues, rehab and quirky horse management.
Lauren oversees our staff consisting of one assistant and four barn maintenance team members.  She also handles scheduling of lessons, the vet, the farrier, the chiropractor and other service providers.
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