Front Office
Christina Macias
Practice Manager
Christina joined Cave Creek Equine in November 2024. With a background in both veterinary and human medicine, she brings extensive administrative experience to our team. Christina’s career in veterinary medicine began in 2005 as a receptionist at a small animal clinic in California. After moving to Arizona in 2006, she spent over five years as a receptionist and front office supervisor at Anthem Pet Medical Center.
In 2012, Christina earned her bachelor’s degree in business management and later worked as an Administrative Manager at Palo Verde Animal Hospital. After a brief stint in the construction industry as a Human Resources Assistant, she’s excited to return to her passion — veterinary medicine. When she’s not at work, Christina enjoys spending time with her family, including her granddaughter, and caring for her pets. She also loves hiking and playing frisbee golf during visits to Colorado.
Lisa Griffith
Office Manager
Lisa was born in Michigan and grew up in Washington State. During the summers, she would spend many months on her parent’s ranch in Montana, where her love for horses arose. After getting married to her husband Mark, they packed up and moved to Arizona with their children and never looked back. Lisa started with Cave Creek EquineTM Sports Medicine & Surgery as an office manager in 2018. With four horses (Addie, Fancy, Dallas, and Cheyanne), three dogs (Ava, Annie, and Avery), six cats, and too many chickens to count, every day begins and ends with unconditional love for their animals. When Lisa is not working, she mostly spends her time with her friends and family. You can find her and her husband on the riding trails most mornings.
Technicians
Tammy Zarbock
Lead Anesthesia Technician
Tammy worked at Cave Creek EquineTM Surgical Center from 2000 to 2007 and re-joined the staff in January of 2011. Her favorite part of the job is performing anesthesia. She likes working with a wide variety of horses with different conditions and seeing them return to performing. In her spare time, she works with her father, helping him manage Arizona MD Barn Company. She enjoys riding, traveling, scuba diving, going to movies, and spending time with her dog, Butterbean. She is most proud of getting her bachelor’s degree from ASU and the experiences she has had with horses in her life. She currently has 2 pets: Magik, her horse, and Halle Berry Butterbean, her English Bulldog.
Rudi Rojo
Lead Equine Technician
Rudi came to Cave Creek EquineTM Sports Medicine & Surgery in March of 2013. Rudi does an amazing job of keeping the grounds and hospital in tip-top shape. Rudi also helps with the horses in the hospital and enjoys learning about them and the medical problems they have. When Rudi is not at work, his passion is playing soccer, and he greatly enjoys spending time with his family and friends. He has two dogs, Rambo, a Rottweiler, and Ojito, a Chihuahua (Ojito means little eyes).
Allison Freeman
Anesthesia Technician
Allison loves working with horses and joined Cave Creek EquineTM Sports Medicine & Surgery in 2019 as an anesthesia technician. Allison is an enthusiastic polo player, represents Arizona in the Annual Bentley Scottsdale Polo Championships, and loves to compete against other clubs in neighboring states. She also runs a teaching program in Northern Phoenix close to our clinic for children who want to learn to ride and play polo. Allison has two beautiful boys and a menagerie of pets, including several horses, dogs, and cats.
Jaclyn Burke
Anesthesia Technician
Jaclyn joined Cave Creek EquineTM Sports Medicine & Surgery in June of 2021 after receiving her Associate degree in Veterinary Technician from Pima Medical Institute. In addition to her Vet Tech degree, Jaclyn holds an Associate in Business from Scottsdale Community College. She grew up in Scottsdale and has spent her entire life around horses, competing in show jumping with Smoke Tree Ranch from 2002 – 2015. Her favorite part of her job is the variety it offers – she enjoys both equine and canine anesthesia, technician work, and running advanced diagnostics such as MRI and nuclear scans. In her free time, Jaclyn enjoys riding, trying new foods, and spending time with family and her two cats, Nalie and Tudi.
Cortney Morris
Equine Technician
A fifth-generation Arizonan, Cortney grew up surrounded by ranching and racehorses, developing a lifelong passion for speed and performance horses. An accomplished barrel racer, she has trained horses for the public since she was 18 and holds multiple titles, including 2014 APHA World Champion and Sweepstakes winner in both solid and paint-bred divisions—on horses she and her family trained. Her love for equine sports medicine runs just as deep as her passion for barrel racing. Before joining Cave Creek EquineTM Sports Medicine & Surgery in April, 2023, Cortney trusted the team with her own performance horses and saw firsthand their dedication to keeping equine athletes at their best. Now, as part of the team, she is proud to help support that same mission of getting horses back in the arena and on the trail.
Addy Dyer
Equine Technician
Addy Dyer joined Cave Creek EquineTM Sports Medicine & Surgery during the summer of 2024. She was born and raised in Phoenix and is currently attending Arizona State University, where she is pursuing a degree in Pre-Veterinary Medicine. Addy’s goal is to become an equine veterinarian, and she will be applying to vet school this year. She has an off-the-track quarter horse named Skeeter and enjoys barrel racing, trail riding, and playing polo for fun. Addy enjoys camping and hiking with her two puppies.
Ashley Wiberg
Equine Technician
Ashley joined Cave Creek EquineTM Sports Medicine & Surgery in December 2024, bringing a lifelong love of horses and a diverse background in equine care. While she has enjoyed barrel racing and sorting, she’s happiest on the trail, spending time riding with friends. Her interest in equine medicine began while managing a ranch with over 30 horses, where she took on the responsibility of overseeing their health and wellness. After transitioning into the world of equine reproduction, she developed a passion for that field as well. Since joining Cave Creek Equine, Ashley has discovered a new enthusiasm for imaging and looks forward to expanding her knowledge and skills in this area. She is grateful to be part of a team that shares her dedication to equine athletes and their care.
Barn
John Mariano
Barn Manager
John, originally from Worcester, Massachusetts, joined the clinic in January 2016 to help with barn management and technician assistance. He graduated trade school for auto-mechanics and worked in carpentry and framed houses for the family business. John and his wife Alice moved to Arizona in 1992. They have 2 children, Jodi and John, and 3 grandchildren, Taylor, Brianna, Kylie. John and Alice also have 7 horses, 4 goats, 3 dogs, 1 cat, 2 birds, 2 miniature horses and 1 burro on their property, all of which are rescues.
Farrier
Jeremiah
Jeremiah’s love for horses started when the family got their first horse when he was twelve. He quickly passed through the levels of certification offered by the American Farriers Association, acquiring his Certified Journeyman Farrier and Therapeutic Endorsement.
Jeremiah actively competes in the World Championship Blacksmiths competitions. He travels the United States to develop and hone new skills as he competes against other top farriers from all over the country. In 2010, he was in the top ten in the overall year-end standings in the WCB.
In September of 2010, He had the privilege to be part of a small farrier team, which cared for the dressage horses at the 2010 Alltech FEI World Equestrian Games. Two years later, Jeremiah joined an honored group of farriers who have passed the rigorous Associates exam administered by the Worshipful Company of Farriers from England.
He also continues to test his skills through peer review most recently by passing the Advanced Skills Farrier test through the Farrier International Testing System or F.I.T.S
