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A Quest for Excellence
DMS Associate Team

Dr. Pete Ahern, DVM


Pete Ahern is as close to magical as any horse person ever were. In addition to being a phenomenal vet, Pete excels working with the difficult horses and has a calming energy that permeates the property when he is here. Previously a racetrack vet, Pete has transitioned his practice to give invaluable support to our equine athletes and friends.

Dr. Claudia Sonder, DVM

Claudia was accepted into UC Davis Veterinary School in 1990 and graduated after completing the equine track in 1995.

Dr. Sonder has a special interest in diagnosing and treating lameness in sport horses, utilizing the latest in digital imaging and joint injection procedures. She also enjoys equine neonatal medicine and assisted reproduction. 

Dr. Lori Bidwell, DVM

Lori received her undergraduate degree (in Art History) from The University  of Texas at Austin in 1993 and her DVM from Michigan State University in 2001 here she also completed an anesthesia residency in 2005.  She is a diplomate of the American College of Veterinary Anesthesia and Analgesia and is certified in veterinary acupuncture.   Her internship year was completed at Rood and Riddle Equine Hospital in Lexington, Kentucky where she returned after her residency to head the anesthesia department.   Dr. Bidwell has been a faculty member at Ross University School of Veterinary Medicine and Michigan State University in the College of Veterinary Medicine.   She is currently a partner in East West Equine Sports Medicine.  She consults for several veterinary practices in the Midwest and West Coast of the United States and travels with the equine hunter/jumper show circuit for her work and to compete with her two horses.   Dr. Lori spends the winter at the Thermal Circuit riding with the DMS team and caring for the equine athletes who make this entire endeavor possible, and makes trips to DMS several times during the year.


Dave Adams, Farrier

I have been a farrier for the past 18 years.  I got my professional training from Pacific Coast Horseshoeing School.  I wanted to become a farrier when I realized the farrier I was paying made good money and worked less hours than I did riding horses.  When evaluating a horses hoof, my goal is to ensure that the horse has the correct support and balance.

While I grew up in Napa, CA, my business takes me from the Napa Valley to Santa Rosa and over to Davis.  When I’m not shoeing, I enjoying playing guitar and singing in my band, Dave & the Salty Dogs.


Roberto Verbera, Farrier

I have shod horses for the last 23 years. It all started helping my father as a young boy, and at 12 years old, I would take off on my bike and trim a few horses down the road.  I grew up in Turlock CA, where my father shod and trained racing quarter horses. Before I jumped out of the nest, my father got me into the Farrier course at Cal Poly, Pomona in 1989. At that time, I had met who was to be my wife, Chelene, (we have 4 kids now) and we moved to the Bay Area, where I would gallop race horses in the morning and shoe off the track in the afternoon. Eventually, I took and passed the California Platers test, or CHRB Platers test, and became licensed to shoe on the race tracks of California.

Throughout my career, I've enjoyed shoeing all types of horses, race, pleasure, gaited, jumpers, dressage, and I enjoy therapeutic work as well. As of the spring of 2011, I've since retired the race track and have focused on private and local Napa barns.

Shoeing horses has been a great career, I have had the pleasure to work with some of the nicest and talented horsemen. One of the greatest mentors I have worked with, Farrier, Mr. Fyllingness, first told me that he would help me get started on the race track so long as I would be willing to help others get started. I have been forever grateful for those who have shared their knowledge and have helped me along the way. 

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1296 Diamond Mountain Road, Calistoga CA 94515 macellaoneill@gmail.com (707) 942-0719