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Administrative Team

Kristy NicholsonKristy Nicholson
Accounts Receivable


Kristy grew up in Escalon, Ca and has been employed at Pioneer Equine Hospital since 1999. When not at work, she and her husband, Mark, enjoy playing with their grandchildren, their dog, Roxy, barbecuing, camping and golf.









Denise SnowDenise Snow


Denise has been with Pioneer since 2003. She grew up in Oakdale and loves working with people! When Denise is not at work she enjoys being with her family and friends.










Michelle AlvesCherie Frost


Cherie Frost grew up in Pleasanton, CA. She spent her childhood raising and showing Livestock at the Alameda County Fair and California State Fair. She has ridden horses for as long as she can remember and has always had a passion for animals. Since 2008 she has worked as a receptionist at the hospital.








Sara Cloward
Operations Manager


After spending 12 years working in a local mixed animal practice, Sara joined Pioneer in May of 2014 as a pharmacy technician and coordinator of shipping and receiving. With 2 kids and a husband who enjoy riding and rodeo, she occasionally gets a chance to ride her own horse. She also greatly enjoys the culinary arts and vinology.








Synthia Solis













Amy Weispfenning


Amy grew up in Tracy, CA. She loves interacting with clients and is an enthusiastic team player in the front office at Pioneer. She used to be afraid of horses until five years ago she picked up the reins and conquered her fears. Now in the spring and summer, she competes in Combined Driving and pleasure drives her two horses: Quadir, an Oldenburg and Rhino, her Percheron. In her time off she spends her time with her family and taking on a good challenge.