Our Team

Our Veterinarians

Our team is made up of the best and brightest doctors and supporting staff in the country. They go above and beyond to provide the best imaging services in the industry of veterinary radiology.

Amy Armentrout

DVM, MS, DACVS, Equine Veterinarian

A native of Nevada, Dr. Armentrout completed her veterinary degree in 2006 at Colorado State University where she subsequently worked at the Orthopaedic Research Center

(a part of the Translational Medicine Institute). She then completed an internship and worked as an associate at Pioneer Equine Hospital in Oakdale, CA from 2006-2008. After completing her Master’s degree and Surgical Residency at Kansas State University in 2011, she worked as a surgeon and sports medicine practitioner at Burleson Equine Hospital for almost 11 years before joining the team at Animal Imaging. She is very active in the American Association of Equine Practitioners, serving on several different committees and spends her free time with her kids enjoying outdoor activities.

Lon Hays

DVM, Small Animal Veterinarian

Dr. Hays is a native of Louisiana. He received his veterinary degree from the Louisiana State University School of Veterinary Medicine in 1995. After graduation, Dr. Hays moved to the Dallas

area and joined Lovers Lane Animal Hospital in the Park Cities area as an associate veterinarian. He purchased the practice with a business partner the following year and continued to practice there for the next 26 years. He recently sold the practice and has since joined the staff here at Animal Imaging.

Dr. Hays has a special passion for sporting dog medicine and care. He pursues continuing education opportunities in this field whenever possible. He has previously served on the Dallas County Veterinary Medical Association board of directors for 7 years.

He and his wife, Dr. Jo Alleman have two children, Abigail and Natalie. In his spare time, Dr. Hays enjoys reading history based books, outdoor activities, training his retrievers and managing their farm in Oklahoma. The family currently has 3 dogs, all labrador retrievers; Mojo, Adie and Lilly and 3 cats; LJ, Padfoot and Mateo.

Mikaela Maldonado

DVM, cVMA, CERP, Equine Veterinarian

Originally born in Pennsylvania, Dr. Maldonado completed her veterinary degree in 2023 at Colorado State University. During her veterinary training, she received additional certifications in

equine medical acupuncture (CuraCore) and equine rehabilitation (University of Tennessee). She published primary research in equine chiropractic care and was a speaker at the International Conference on Equine Locomotion at Utrecht University in the Netherlands. Following her training, she completed a 1-year rotating equine internship at Littleton Equine Medical Center, a large equine referral hospital in northern Colorado. Outside of work, she loves to dance, cook, and explore natural areas with her dog, Everest, and fiancé, Levi.

Consulting Veterinary Specialists

Myra Barrett

DVM MS DACVR DACVR-EDI, Radiologist

Dr. Barrett earned her DVM from Colorado State University. After graduating, she completed a year long internship at Oakridge Equine Hospital. Dr. Barrett underwent a non-conforming radiology residency

in order to particularly focus on equine diagnostic imaging. The residency was based at Colorado State but included training with multiple equine imaging experts in the US and internationally. At the same time, Dr. Barrett obtained a master’s degree through the Orthopaedic Research Center at CSU. Dr. Barrett helped form the equine imaging service at CSU and is an associate professor. Dr. Barrett’s primary research and clinical interests are equine musculoskeletal imaging and comparative imaging, and she works closely with the equine surgery and sports medicine services. In 2011, Dr. Barrett founded Inside Information Radiology, with her partner, Dr. Selberg. She speaks at national and international meetings and is regularly involved in continuing education courses. Dr. Barrett is dedicated to the advancement of the specialty of equine diagnostic imaging and is a founding member, diplomate and first president of the American College of Veterinary Radiology- Equine Diagnostic Imaging. Outside of work, she enjoys biking, skiing, riding her beloved Morgan over fences and through the woods, and spending time with her daughters and husband Dave.

Dana Neelis

DVM, MS, DACVR, DACVR-EDI, Radiologist

Dr. Neelis received her DVM from Michigan State University in 2006. After completing her radiology residency at Washington State University in 2011, she took a position as an assistant professor at

Virginia-Maryland Regional College of Veterinary Medicine in Blacksburg, Virginia. She performed an equine ultrasound and cardiology fellowship with Dr. Virginia Reef at the University of Pennsylvania, New Bolton Center, prior to her radiology training. Dr. Neelis received board certification in Equine Diagnostic Imaging (ACVR-EDI) in 2019. She enjoys imaging all species and has extensive experience with the equine.

Christian Weder

DVM, MS, DACVIM, Cardiologist

Dr. Christian Weder was born and raised in Michigan and graduated from Michigan State University’s veterinary school in 2012. He then went on to complete a 1-year rotating internship at The Ohio State University

and a 3-year residency in cardiology at Colorado State University. Dr. Weder earned his board certification in veterinary cardiology in 2016 and has since practiced in both Michigan and Colorado.

Dr. Weder is the owner of Mid-Michigan Veterinary Cardiology and a telehealth consultant who works with multiple practices around the country. Finally, Dr. Weder is also an adjunct faculty member at Michigan State University and regularly hosts veterinary students and house officers at his practice. In his free time, Dr. Weder enjoys exploring the outdoors with his wife, two children and their three dogs. He has a passion for trail running and endurance sporting events.

Our Supporting Staff

Susan Willenbrock

Operations Manager, HR Director

Susan has been involved in veterinary medicine since 1988, including experience at a large veterinary referral hospital in North Texas. Susan joined the Animal Imaging team in 2006 as office

manager and has taken on more responsibilities throughout the years of Operations Manager and Human Resources Director. Her passion is making sure the clients, patients and referring veterinarians’ needs are met as well as creating a cohesive and supportive environment for the entire Animal Imaging team. In her time off Susan has a love for gardening and spending time with her husband and four Border Collies.

Wade Friedeck

M.S., R.T. (MR) Imaging Director

Wade brings over 25 years of experience working in the veterinary industry with 16 of those years spent exclusively in diagnostic imaging. He has experience working with all modalities in both

small and large animal medicine and has spent several years working closely with radiologists in a clinical setting. Wade has co-authored multiple research papers that have been published about veterinary imaging and new techniques that he helped develop. Wade received his Master of Science in Radiologic Sciences and Administrative Leadership as well as a Bachelor of Science in Diagnostic Imaging from the University of Texas. He also has a Bachelor of Science from Texas A&M University in Wildlife and Fisheries Sciences. He is originally from Marion, Texas and is excited to be in the Dallas area focusing on what he knows and enjoys most, diagnostic imaging.

Sunni Larue

LVT, Administrative Assistant

Sunni joined the Animal Imaging team in 2009. After earning her LVT at a community college in San Antonio in 2003, she went on to graduate from Texas A&M University in 2008 with a

Bachelor’s degree in Animal Science. Sunni worked as an ICU technician at the Texas A&M Veterinary Teaching Hospital before coming to Animal Imaging. Along with providing outstanding care to our patients, Sunni provides support on the administrative side of the practice including payroll and accounting support. She and her husband enjoy spending time raising their three boys on their small farm in the country.

Kaetlin Smith

Customer Service Coordinator

Kaetlin is originally from rural Kansas and moved to Dallas three years ago to enjoy a bigger city. She grew up on a farm as a child so after spending over six years in human medicine she

was excited to join the Animal Imaging team and to be working around animals again. With her experience, she’s able to make sure the clients and referring clinics feel comfortable and know their needs will be met. Kaetlin enjoys spending her free time with her daughter, Giselle.

Trista Bounds

Customer Service Coordinator

Trista is originally from San Diego, CA and moved to Dallas, TX in 2010. She attended Tarrant County College and studied Mental Health. She then went on to work with Alzheimer’s and Dementia

patients for several years before leaving to pursue a career working with animals and joined the team at Animal Imaging. In her free time, she enjoys antique shopping, outdoor activities with her dog Bruno and spending time with her family.

Lynne Castleman

Nuclear Medicine Technologist

After a career in the radio and television industry, Lynne raised and showed Reining horses. She has been on the Animal Imaging team since its inception as a Nuclear Medicine Technologist

conducting bone scans for both small animal and equine patients. Lynne is consistent in her ability to produce quality studies to enhance the diagnosis of pathologies and abnormalities in her imaging patients.

Jennifer Sundstedt

R.T. (R) (MR) ARRT, MRI Technologist

Jennifer is a Registered Technologist of Radiology and Magnetic Resonance. She started in the veterinary field as a veterinary assistant in 2004. Following her passion for radiology,

she graduated from Grayson Community in 2014. In addition to radiology, Jennifer has a Bachelor of Science in criminal justice. Jennifer loves all animals and was excited to join the Animal Imaging team in 2020 as an MRI Technologist. Jennifer’s knowledge of MRI is invaluable in our ability to obtain quality diagnostic studies of both our equine and small animal patients. When Jennifer is not working, she enjoys crafting, cleaning and organizing, and traveling with family.

Joyce Holt

BS, RDCS, Veterinary Sonographer

Joyce works part-time for Animal Imaging and is currently the Managing Director for We Are Veterinary Education (WAVE). Joyce has a Bachelor of Science in Animal Production from

Tarleton State University and an Associates degree in Allied Health (Cardiac Ultrasound) from El Centro College. Joyce has over 20 years of animal ultrasound experience in application, teaching, and organizing and running ultrasound seminars.

Joyce has a strong commitment to the veterinary community to offer the best education experience possible, and has a strong belief in giving back, to the animal world.

Anna Procious

RDCS, Veterinary Sonographer

Anna began her veterinary ultrasound career in 2001 as a mobile sonographer in the Dallas area. She has been an instructor with multiple education companies across the United States

and is currently an instructor with We Are Veterinary Education (WAVE). Anna graduated from Texas A&M University in 1995 with a BS in Exercise Physiology and worked as a human sonographer specializing in cardiology prior to becoming a veterinary sonographer. Anna is a Texas native, born and raised in Corsicana, Texas. She enjoys spending time with her husband and two children exploring all that Texas has to offer. Her current fur family consists of a rescued Anatolian Shepherd named Roscoe, a rescued cat named Jessie and two Australian Shepherds, Rocket and Annie.

Bryce Morgan

LVT, Veterinary Technician

Bryce graduated from the College of Southern Nevada where she attained a degree in Veterinary Technology. She is a member and regional contact for the American Association of Equine

Veterinary Technicians (AAEVT) and the Equine Anesthesia Society. Bryce spent six years working as an Licensed Veterinary Technician (LVT) and Lead Technician at Desert Pines Equine Center in Las Vegas, NV and she joined the Animal Imaging team in 2023. In her free time, she enjoys spending time with family and her dog, Willie, riding dirt bikes with her friends and learning team rope.

Our Team

Our Veterinarians

Consulting Veterinary Specialists

Our Supporting Staff

Want to be a part of our team?