Equine Health Technicians

Compassionate and High Quality Care

Kendra Foley

Kendra has been working at Pioneer Equine Hospital since January 2001. She is the MRI and CT technologist. Outside of work, she can be found riding her bike, playing with her dogs, or spending time with family.

Jennifer Mikkelson, RVT
Technician Team Leader

Jennifer was born and raised in Clayton, CA on a small ranch. Growing up she had a multitude of animals, including horses, and from an early age knew she wanted to work in animal medicine. Jennifer pursued her dream and graduated from Carrington College in February 2016 with an Associate’s Degree in Veterinary Technology. In April of 2016, Jennifer joined the Pioneer team and has loved it since. Jennifer received her Registered Veterinary Technician’s license in 2017. When not at work, you can find Jennifer with her horses Black Betty and Sarah, home with her cat Reese’s Peaches or out with friends and boyfriend Tyler.

Karen Shadle, RVT
Patient Care

Karen Shadle has been working at Pioneer since 2004. She is currently one of our night technicians, providing the best patient care to those horses who are hospitalized overnight or over several days. Karen graduated from Carrington College in 2017 with her Associates Degree in Veterinary Technology.

Amanda Wiersma
Relief Technician

Amanda has been working at Pioneer since June 2017 and she enjoys all aspects of being an equine health technician. Amanda grew up in Oakdale doing junior and high school rodeo, she now resides in Turlock with her husband and four kids. Together they have nine horses and team rope.

Alyssa Costa
Relief Technician

Alyssa started working at Pioneer Equine Hospital in the spring of 2019. She has a passion for horses and has been around them since she was a kid. She has an Associate’s degree in Animal Science and Agricultural Business. Outside of Pioneer, you can find her riding her horses, reading, or spending time with her family. She resides in La Grange with her husband, her two kids, and her dogs.

Philip Knierieme
Equine Technician

Philip Knierieme grew up in Oakdale. He recently graduated from Fresno State with a degree in Animal Science and started working at Pioneer in May! Philip has been a part of high school rodeo, college rodeo, and NCHA. In his free time he likes to rope and hang out with friends. He enjoys working at Pioneer because it’s an amazing environment for learning and has a great team/family atmosphere.

Kaleena Smith
Relief Technician

Kaleena was born and raised in the Central Valley. While attending Oakdale High School she was part of the rodeo team, which is where her love for the equine industry grew. After high school, she attended Modesto Junior College and earned two Associate Degrees, one in Agriculture Business and another in Veterinary Technology. She started working at Pioneer in the fall of 2019. Outside of work she enjoys playing with her dogs and hanging out with her family. Kaleena is currently on maternity leave after having a sweet baby boy in June.

Lisa Hayes
Patient Care

Lisa enjoys working part time at Pioneer with her coworkers and the horses.


Outside of Pioneer she enjoys, spending time with her family and friends, food, wine and traveling, hiking and hanging with her dog, Wylie.

Haley Andersen
Patient Care

Haley joined our team in March of 2021. Haley grew up in Tracy, CA, and she has been around all types of animals, but horses have been her passion since she was 4 years old. Owning horses from a very young age is what lead her to a career of caring for them! Outside of work, you can find Haley working with her heart horse Fearghus, reading books, and going fishing with friends.

Oscar Garcia

Oscar has been working at Pioneer since 2020. Not only is he a great all around technician but specializes in stallion handling at our Stallion Center.

Kylar Desrochers
Patient Care

Kylar was born in Boston but has spent most of his life here in Oakdale. He graduated from Oakdale High and earned his Bachelor’s from Fresno State. He started riding at the age of five, and has trained in both Western reining and English show jumping. He trained his own Mustang in high school and enjoyed trail riding all over California with her. Before joining the Pioneer team, Kylar gained a lot of reproduction experience working on the foaling team for a local Thoroughbred breeder. During his free time, Kylar loves to travel the world, but more locally, he enjoys playing piano and reading.

Teri Smith
Patient Care

Teri has been working at Pioneer since Novemeber 2021. She is the day technician for horses that are hospitalized overnight or for several days. Teri was in the medical field for over 20 year and has owned horses her whole life. She decided to make a career change, combining her two loves in life, medicine and horses. Outside of work she enjoys spending time with her family, going camping with her husband, Brain and son, Tyler, riding horses with her daughter Haily. Teri also occasionally goes to the ocean to swim with great whites.

Quinn Ford

Quinn was born and raised in Oakdale, CA. She grew up with horses and rode at a young age doing gymkhanas, jackpots, barrel racing, cutting, reining cow horse, and High School and JR. Rodeo. When not at work you can find her riding her horses Roxy, Willow, and Whisper.

James Hegedus

James works part time at the Stallion Center helping with collection and storage of frozen semen with his daughter Kathryn.

Kathryn Hegedus
Patient Care

Bio coming soon!