Meet Our Staff
Dr. Chyle (key-la)
Radiation Oncologist
Dr. Chyle completed his Radiation Oncology residency at the University of Texas MD Anderson Cancer Center in Houston, TX. He earned his MD from UCLA School of Medicine and received his BA in Chemistry from St. John's University in Minnesota. Dr. Chyle has many accomplishments from serving as a Medical Director at three different cancer centers to being an assistant professor at UT Galveston. Dr. Chyle grew up in Park River, North Dakota and moved to the Hill Country in 2009. Dr. Chyle and his wife, Jessica, enjoy their life on the ranch, taking care of their animals and spending the evenings walking their property. They love traveling and visiting National Parks, hiking, and supporting the community through the Kerrville Folk Festival.
Zelda Benavides
Clinic Manager/Radiation Therapist
Zelda graduated from Del Rio High School and is a Texas State University alumni where she graduated with her Bachelor of Science in Radiation Therapy. Zelda is married to her husband, David, since 2005 and together have three kids, Diego, Cristian, and Zoe. She loves hanging out with friends, but her kids activities keep her busy. She spends a lot of time at sporting events, Varsity football games, basketball, baseball, and volleyball. Zelda strives to take the best care of her patients, and make the most of every day.
Madison Bilbrey
Radiation Therapist
Madison is from Stephenville, TX where she graduated high school, she is a proud Texas State University Alumni where she graduated with a Bachelor's in Radiation Therapy. Madison is married and has two dogs, Pearl and Yuki. She enjoys hiking, trying new foods, and taking a swim in the river whenever she can. She loves spending time with friends and traveling with her husband. Madison always tries to make patients feel comfortable and provide the best care that she can.
Tina Timmons
Radiation Therapist
Tina is a board certified Radiation Therapist for over 4 decades. Tina has one son and two grandchildren, who she loves dearly. She enjoys her outdoor time, and in her free time loves motorcycling, horseback riding, and camping. Tina is an avid animal lover, especially her cat, Bug. She loves living in the Hill Country and exploring every thing it has to offer.
Marilu Sarabia
Nurse
Marilu is a 1989 Tivy High School graduate and graduated from Schreiner University with her LVN nursing certification in 2006. She has experience in many fields including wound care, home health, telemetry, rehab, long term care, internal medicine, and family medicine. She has two adult children, Marisa and Christian, and is the proud grandmother of her grandson, Brayden. Marilu loves visiting historical sites, museums, and spending time with family and friends. She loves watching sports, especially the Texans and the Astros!
Christina Benner
Receptionist
Tivy Alumni and Kerrville native, Christina is a wife and loving mother to five children. Christina has been with Kerrville Cancer Center since 2014. She enjoys gardening, crafting, and staying busy with her kid's extra curricular activities. She loves her furbabies, two cats, Coco and Chanel, and her two dogs, Bolder and Sadie. Christina looks forward to greeting our patients every day with a warm smile.
Tanya Olive
Office Nurse
Tanya is a former certified EMT and received her LVN from Schreiner University. She has experience in many fields including pediatrics, and has been with Kerrville Cancer Center since 2014. Tanya has been married since 1990, her and her husband, Keith, have two amazing kids, Jake and Katie. Tanya lives in Mountain Home and raises her goats. She loves spending time at her beach house "The Salty Olive", traveling with friends, and loving on her English bulldog, Gracie Mae. Tanya always wants to help put a little bit of sunshine in every patient's day.