STAFF
Debra S. Gibbons, DVM, MS, DACVR, Imaging Director
Dr. Gibbons received her DVM from Colorado State University College of Veterinary Medicine and Biomedical Sciences in 1996. After completing an Equine Field Services internship at North Carolina State University College of Veterinary Medicine, she returned to CSU to pursue a residency in Diagnostic Imaging. Dr. Gibbons became a board certified veterinary radiologist and a Diplomate of the American College of Veterinary Radiology in September, 2001. Dr. Gibbons has practiced veterinary radiology for the past four years, working in Denver, Colorado, and her home city of Scottsdale, Arizona. Dr. Gibbons' professional commitment is to bring veterinary ultrasound services, radiographic interpretation, and assistance with advanced imaging procedures to the general practitioner as a way to improve the quality of medicine, quality of treatment, and quality of life experienced by our veterinary patients.

Jake Hersman, DVM, Equine Director
Jake Hersman graduated from Texas A & M University College of Veterinary Medicine in 1980. Dr. Hersman established the Argyle Veterinary Clinic in Argyle, Texas, a predominantly equine practice. In 1990, he established the Las Colinas Veterinary Clinic, which premises are now devoted to the Animal Imaging Center. Dr. Hersman’s areas of interest include radiology, scintigraphy, and lameness diagnosis and treatment for the equine. Dr. Hersman will provide radiology examinations and consults, assist in equine MRI procedures and direct the equestrian imaging program for Animal Imaging.

Julie Petre, DVM, Small Animal Director
Dr. Petre is a 1996 graduate of Texas A & M University College of Veterinary Medicine. Dr. Petre has worked at the North Texas Pet Emergency Clinic for the last 5 years in Emergency Medicine, Critical Care and Medical and Surgical Management. As Small Animal Director, Dr. Petre will provide anesthesia and patient care to small animals having imaging procedures done at the facility.

Andrea Komkov, M.S., DVM, Nuclear Medicine Director
After completing her M.S. in Physiology at Texas Tech University in 1983, Dr. Komkov went on to complete her Doctor of Veterinary Medicine degree at Texas A & M in 1985. Dr. Komkov trained under Dr. Dan Hightower in Nuclear Medicine at Texas A & M University. She has been a Veterinary Clinical Associate, Graduate Research Assistant, Teacher and from 1995 until 2004 was a partner and owner of the Animal Medical Center of Richardson. From 1992 until the present time, she has been the Director of Nuclear Imaging at the Las Colinas Veterinary Clinic. This role will continue with Animal Imaging. Her interests are in Oncology, Internal Medicine and Endocrinology.

Marilyn Moss, MRI Technologist
After a very diverse career in radiology management, Marilyn became interested in providing MRI services to the Veterinary market in 1999. Marilyn owns and operates a small animal MRI business in the North Texas area, and has vast experience in the field of veterinary MRI imaging. As the lead MRI technologist for Animal Imaging, she will bring her superior technical experience and knowledge to our staff, enhancing technical protocols and the ability to provide exceptional image quality to our referring veterinarians.

Lynne Castleman, Nuclear Medicine Technologist
After a career in the radio and television industry, Lynne turned her lifelong love of horses into a nuclear medicine technologist position with the Imaging Center conducting bone scans under the direction of Dr. Becht and Dr. Komkov. Lynne is consistent in her ability to produce quality studies to enhance the diagnosis of pathologies and abnormalities in the equine patient.

Stefanie Tkach, Office Manager
Stefanie is a 2004 graduate of Texas A & M University with a Bachelor of Science degree in Agribusiness. Stefanie has many years of experience in the banking industry. Stefanie brings her business background to Animal Imaging in the role of Office Manager for the facility. Focusing on effective practice management, Stefanie works as a liaison with our referring veterinarians to schedule procedures, coordinate transportation, and provide reports and images to our referring veterinarians.