
Mark H. Kogut, DDS, MSD, PA
Dentistry for Children
Dr. Kogut is a graduate of the University of Texas at Austin with a Bachelor of Arts degree in psychology. Upon completing dental school at Baylor College of Dentistry, Dallas, he received his specialty training in Pediatric Dentistry at Baylor University with a Certificate in Dentistry for Children and a Master of Science in Dentistry. Dr. Kogut has been in private practice since 1979.
Dr. Kogut is very active with the pediatric dental community, having served as President of the Southwestern Society of Pediatric Dentistry. He is also a member of the American Academy of Pediatric Dentistry, Texas Academy of Pediatric Dentistry, American Dental Association, and Dallas County Dental Society, and he holds membership in the Alpha Omega International Dental Fraternity.
Dr. Kogut is married and is the father of two sons and a daughter.

Alejandra Villaseñor, DDS, MS, PA
Dentistry for Children
A native of Acapulco, Mexico, Dr. Villaseñor is a graduate of the Universidad Autnoma de Guadalajara School of Dentistry. In 1990, she completed her specialty training in Pediatric Dentistry at Baylor College of Dentistry, Children's Medical Center and Texas Scottish Rite Hospital for Children in Dallas. She also earned a Master of Science in Oral Biology from Baylor University. In 1991, she completed a fellowship in Hospital Pediatric Dentistry at the Children's Hospital in Denver, Colorado with a special focus on childhood cancer.
Dr. Villaseñor's professional experiences have involved academic positions at The Children's Hospital in Denver, Baylor College of Dentistry, and the University of Maryland, Baltimore College of Dental Surgery. She has also served as Assistant Director of Dental Services at Texas Scottish Rite Hospital for Children.
Dr. Villaseñor is a member of the American Academy of Pediatric Dentistry, Southwestern Society of Pediatric Dentistry, Texas Academy of Pediatric Dentistry, Dallas County Dental Society, and the American Dental Association.
Dr. Villaseñor is the mother of two daughters.
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Gayle Glenn, DDS, MSD, PA
Diplomat of the American Board of Orthodontics
As a specialist in orthodontics, Dr. Glenn has practiced in Dallas since 1984. She attended the University of Texas Dental School in San Antonio, where she graduated as Valedictorian of her class. She went on to complete her graduate training in orthodontics at Baylor College of Dentistry in Dallas and received a Master of Science in Dentistry Degree. Dr. Glenn joined the faculty at Baylor College of Dentistry in 1988, where she taught as an Assistant Clinical Professor on a part-time basis for seven years.
Dr. Glenn is active in many state and local dental organizations, including the American Dental Association, The Texas Dental Association, and the Dallas County Dental Society. She serves on the Board of Trustees of the American Association of Orthodontists, and is a past-president of both the Southwestern Society of Orthodontists and the Texas Association of Orthodontists. As a result of her expertise in orthodontics, Dr. Glenn is certified by the American Board of Orthodontics.
Dr. Glenn was the first female orthodontist to be selected for membership in the prestigious Texas Orthodontic Study Club. She was inducted as a fellow of the International College of Dentists in 1995 and the American College of Dentists in 2001. She was the Dallas County Dental Societys nomination for TAGD Texas Dentist of the Year in 1997. The American Business Womens Association named Dr. Glenn 2002 American Business Woman of the Year.
In concert with her many accomplishments; Dr. Glenn is a very dedicated professional, genuinely committed to providing high quality orthodontic care for her patients.