Shelley Onderdonk, DVM was born and raised in San Mateo, California. She is a graduate of Yale (BA ,89) and University of Georgia (DVM ,97), and has continued her medical education through the International Veterinary Acupuncture Society and The Chi Institute. Shelley's integrative veterinary practice, active since 1998, incorporates the best of Western medicine, acupuncture, manual therapy, equine sport science, and rehabilitation for the benefit of her patients. She is an avid environmentalist, rider, writer, and yogini.

Adam Snow played polo professionally for 34 years, achieving the highest rating of 10 goals in 2003. Career highlights include winning two US Open titles, competing in the Argentine Open in 1998 and 2004, winning many Best Playing Pony prizes for his horses, and twice being named Player of the Year. He was inducted into the Polo Hall of Fame in 2014. Retired from tournament polo, he now gives back to the sport via coaching, mentoring, writing, as well as announcing polo games for television. Adam grew up in Hamilton, Massachusetts, and received a BA from Yale, where he also played ice hockey and lacrosse.

Shelley and Adam met in college and were married in 1989. They have made Aiken, South Carolina, their home base ever since they first bought 24 acres of farmland there in 1992. They are devoted parents to three sons and partners in making their New Haven Farm an idyll for animals and humans alike. Winning with Horses is their second co-authored book; the first, Polo Life: Horses, Sport, 10 & Zen, was published in 2016.