Our Staff

Mack Stewart, M.D.

A native of Texas, Dr. Stewart graduated with a Bachelor of Science in Biology from Texas A&M University. He completed two years of biochemical research at Baylor College of Medicine in Houston and then went on to attend The University of Texas Health Science Center Medical School. Dr. Stewart became Board Certified in Family Medicine after completing his residency in 1987 at the Dallas Southwestern Family Practice Program. He went on to practice Emergency Medicine in Texas for over twenty-five years.

Over the past fifteen years, Dr. Stewart has become extremely focused on Aesthetic Medicine. He studies throughout the United States to acquire the newest advancements and studies released in Aesthetic Medicine. Dr. Stewart has become an expert in the CO2 Fractional Laser, offering various treatment options at Pure Radiance. Finding a personal need for Hormone Replacement Therapy, Dr. Stewart became a mentor and instructor for BioTE Medical. He has added the Bio-identical Hormone Replacement Pellets to his medical practice and offers it to both men and women.

Dr. Stewart has served on multiple committees including Smith County Medical Association. His memberships include: Fellow of the American Academy of Family Physicians, American Society for Laser Medicine and Texas Medical Association. He is an integral partner of ZO and Obagi Medical Products and is rated Platinum Plus by the Botox/Juvederm company, Allergan.

Dr. Stewart’s goal is to make available the most effective, non-surgical aesthetic treatments to his clients at Pure Radiance.

Call Dr. Stewart at (903) 561-0300 for a consultation.

Leneè Sikes, R.N.

Laser Technician / Injector / Coolsculpting Technician / ThermiVA / BioTE

Our R.N. Leneè has been with Pure Radiance since 2016, but she has been a nurse for over 20 years! She has a background in plastics and dermatology, where she developed a passion for helping her patients look and feel their very best. Leneè is an East Texas native, and has called Tyler home since 2009. She loves the outdoors, just as long as she is under an umbrella, wearing a hat, and of course a medical grade SPF!

Ruth Rascon

Manager / CoolSculpting Technician / Makeup Artist

Ruth has been an honest and hard-working member of our team since 2014. Ruth helps with scheduling, ordering all of our products, and is a highly skilled makeup artist and a Certified CoolSculpter. She has an extensive knowledge of all of our skincare products and helps our clients feel confident in their skin! Ruth is a Colorado girl at heart and loves spending time with her precious family.

Kizleth Balderrama

Licensed Medical Aesthetician/ Licensed Laser Technician/ Makeup Artist

Kizleth is a highly skilled licensed aesthetician in the medical skin care field who joined our team this year! Kizleth has experience with Dermaplaning, Microneedling, and Skincare. She is passionate about her work and loves her patients at Pure Radiance, where her clinical aesthetic excellence is highly prized. Kizleth’s superb skill in facial science is matched by her unwavering commitment to helping patients achieve healthy, radiant skin that truly shines. Kizleth is the secret to some of Tyler’s most luminous faces (including her own!)

Carley Hamby

Administrative Assistant

Carley is a Bullard native who joined Pure Radiance in 2019. She provides administrative assistance. Carley strives to make you feel comfortable and stress-free as soon as you walk in the door. She brings a positive attitude and loves finding humor in life. Outside of the office, she enjoys spending time with her friends and enjoying the outdoors as much as possible.

Karina Hernandez

Manager of Operations

Karina has been a long standing employee at Pure Radiance and brings over 10 years of experience to her role at Pure Radiance. Karina holds a Bachelor of Business Administration in Finance from the University of Texas at Tyler. Throughout her career, she has developed a deep expertise in aesthetic treatments and services, making her a trusted resource for patients seeking personalized care and exceptional results. Karina is passionate about ensuring that every patient feels their best and has a positive, uplifting experience at Pure Radiance. Her commitment to excellence and patient satisfaction is at the heart of her work, and she strives to create an atmosphere where every individual can truly shine. When she is not at Pure Radiance, she enjoys traveling and spending quality time with her family and friends! Karina is just a phone call away to answer any questions!