Board Members

All members of the Board are appointed by the Governor and serve until they are replaced or they resign.  The Texas Constitution provides that appointees with expired terms continue to serve until they are reappointed or replaced.


Steven J. Austin, D.D.S. - Presiding Officer

Dr. Steven J. Austin, of Amarillo, is a dentist in private practice providing comprehensive general and restorative dentistry. He has over 1500 hours of continuing education, including 7 weeks at the Pankey Institute.  Dr. Austin graduated from Amarillo Junior College with an associate of science degree. He went on to earn a bachelor of science at West Texas State University and earned a master of theology at the Dallas Theological Seminary. Dr. Austin earned his doctor of dental surgery from the Baylor College of Dentistry.  Dr. Austin was appointed to the Dental Board by Governor Rick Perry on June 20, 2008. Dr. Austin served as Board Secretary from 2011-2014. Dr. Austin was reelected to Board Secretary on March 1, 2015.  Governor Greg Abbott named Dr. Austin chair on March 31, 2016.

Appointment Expires:  February 1, 2019

TSBDE Committees and Liaisons: Executive Committee

Kirby Bunel Jr., D.D.S. - Dentist Member

Dr. Kirby Bunel Jr., of Texarkana, is president of Oral and Maxillofacial Surgeons of Northeast Texas. He is a member of the American Dental Association, the American Association of Oral and Maxillofacial Surgeons, a fellow of the American Dental Society of Anesthesia, and a diplomate of the American Board of Oral and Maxillofacial Surgeons.  He is also a member and past-president of the First District of the Texas Dental Association, past-president of the Texarkana Dental Society, and past-president of the Texas component, American Dental Society of Anesthesiology, and a former board member and past-president of the Texas Society of Oral and Maxillofacial Surgeons.  Dr. Bunel is an active member of his community. He is a member of the Texarkana Chamber of Commerce and Leadership Texarkana and a voluntary provider to the Junior League's Children's Dental Clinic.  Dr. Bunel is a voluntary provider in the Texas Mission of Mercy dental clinics organized by the TDA Smiles committee.  Dr. Bunel received his bachelor's degree from Baylor University, a doctor of dental surgery from the Baylor College of Dentistry, and spent the next year as a Teaching Fellow in the department of Oral and Maxillofacial Surgery at Baylor. He completed his oral and maxillofacial residency at the University of Texas Health Science Center at Houston.  Dr. Bunel was appointed to the Dental Board by Governor Rick Perry on May 2, 2013.

Appointment Expires:  February 1, 2019

TSBDE Committees and Liaisons: Anesthesia Committee (Chair), Licensing Committee


Emily W. Christy - Public Member

Ms. Emily W. Christy, of San Antonio, is the Executive Director of the Texas Department of Public Safety Foundation.   She serves on the Board of Girls Inc. of San Antonio and previously served on the Boards of HeartGift San Antonio and the Junior League of San Antonio.  Ms. Christy received a bachelor of arts in political science from Davidson College and a master's in business administration from Georgetown University.  Ms. Christy was appointed to the Dental Board by Governor Rick Perry on February 1, 2012.

Appointment Expires:  February 1, 2017

TSBDE Committees and Liaisons:  Dental Practice Committee


Renée S. Cornett, R.D.H. - Hygienist Member

Ms. Renée S. Cornett, of Austin, is a licensed dental hygienist and Chair of the Austin Community College District Department of Dental Hygiene. She is a member of the American Dental Education Association, American Dental Hygiene Association, and Texas Dental Hygiene Director's Association.  Ms. Cornett is also a member of the Texas Dental Hygiene Educator's Association, Texas Community College Teachers' Association, and Sigma Phi Alpha Hygiene Honor Society. In addition, she is a dental hygiene examiner for the Western Regional Dental Examining Board and past chair of the Texas Dental Hygiene Advisory Committee.  She received a bachelor's degree from Carroll College, Helena, Montana, and a master of business administration from the University of Texas at San Antonio.  Ms. Cornett was appointed to the Board by Governor Rick Perry on May 3, 2011 and reappopinted by Governor Greg Abbott on March 31, 2016.

Appointment Expires:  February 1, 2021

TSBDE Committees and Liaisons:  Executive Committee, Licensing Committee (Chair), Disciplinary Review Committee


D. Bradley Dean, D.D.S. - Dentist Member

Dr. D. Bradley Dean, of Frisco, is a dentist and board certified periodontist in private practice. He is a member of the American and Texas Dental Associations, a diplomat of the Academy of Periodontology, past president of the North Texas Dental Association, and past program chair for the Southwest Society of Periodontists.  He is on the board of the Dental Assisting National Board and an examiner for the Western Regional Examining Board.  He is a former delegate to the Texas Dental Association and past chair of the Council on Dental Economics. He is also an advisory board member for the Collin County Community College Dental Hygiene program, a former assistant professor in the Baylor College of Dentistry Graduate Periodontics Department, and a volunteer with Give Kids a Smile and Rite to Smile.  Dr. Dean received his bachelor's degree from Texas A&M University, and a master's degree in periodontics and a doctorate of dental surgery from Baylor College of Dentistry.  Dr. Dean was appointed to the Dental Board by Governor Rick Perry on May 25, 2011 and served as Board Secretary from March 1, 2014 to February 28, 2015.

Appointment Expires:  February 1, 2017

TSBDE Committees and Liaisons:  Executive Committee, Anesthesia Committee, Dental Practice Committee (Chair), TSBDE Liaison to the American Association of Dental Boards


Diane Garza, Ph.D. - Public Member

Diane Garza of Brownsville is a non-profit fundraising and educational consultant. She is a member of the Phi Kapa Phi Honor Society and a past member of the Board of Directors of the Children’s Museum of Brownsville, Board of Directors of the Brownsville Junior Service League, Pan American Round Table1, Development Board of St. Joseph Academy, Success by Six Board of Directors and Guadalupe Regional Middle School Board of Directors, where she served as the volunteer development director. Additionally, she has served as the chairman of the Brownsville Red Cross and the Brownsville Community Foundation Board of Trustees and as the vice chairman of Tip of Texas Girl Scout Council. She has also fundraised for Texas equestrian sports as the founder and chairman of the Border Equestrian Sports Association and as founder of the non-profit equestrian project Querencia. Garza received a Bachelor of Science from Texas Tech University, Master of Science from Pan American University and a Doctorate of Philosophy from The University of Texas at Austin.  Dr. Garza was appointed to the Board by Governor Greg Abbott on March 31, 2016.

Appointment Expires:  February 1, 2017

TSBDE Committees and Liaisons: Dental Practice Committee


Bryan Henderson, D.D.S - Dentist Member

Bryan Henderson, II of Dallas is a dentist anesthesiologist and a clinical assistant professor at the Texas A&M University Baylor College of Dentistry. He is a member of the American Dental Association, Texas Dental Association, American Dental Society of Anesthesiology, American Academy of Pain Management and the Dallas County Dental Society. Additionally, he is a member and past president of American Society of Dentist Anesthesiologists, board member of Woodhill Medical Park and board member and treasurer for the Orange Tree Association. Henderson received a Bachelor of Business Administration from The University of Texas at Austin, Doctor of Dental Surgery from the Baylor College of Dentistry and a certificate in anesthesia from the Medical College of Pennsylvania.  Dr. Henderson was appointed to the Board by Governor Greg Abbott on March 31, 2016.

Appointment Expires:  February 1, 2021

TSBDE Committees and Liaisons: Anesthesia Committee, Dental Practice Committee


Christie M. Leedy, D.D.S. - Dentist Member

Dr. Christie M. Leedy, of Abilene, is a dentist and owner of Abilene Dental. She is a member of the American and Texas Dental Associations, American Academy of Cosmetic Dentistry, and Dental Organization for Conscious Sedations.  Dr. Leedy is a founding member of the American Academy of Oral Systemic Health and the Community Foundation of Abilene, and a member and post board member of the 17th District Dental Society.  Dr. Leedy received a doctor of dental surgery degree from the University of Texas Health Science Center at San Antonio.  Dr. Leedy was appointed to the Board by Governor Rick Perry on May 3, 2011.

Appointment Expires:  February 1, 2017

TSBDE Committees and Liaisons: Licensing Committee


Timothy J. O'Hare, J.D. - Public Member

Mr. Timothy J. O'Hare, of Southlake, is an attorney in private practice at The Law Offices of Tim O'Hare and owner of O'Hare Real Estate, a real estate investment company.  He is a former mayor and city councilman for the City of Farmers Branch.  He is a member of the State Bar of Texas, a Texas Super Lawyer and a member of the Alliance Defending Freedom Honor Corps, as well as a Past-President of the Christian Legal Society of Dallas.  Mr. O'Hare is a founding board member of Reclaiming Texas for Christ and Past-President of a local Rotary Club.   Mr. O'Hare received a bachelor's degree from The University of Texas at Austin and a law degree from Southern Methodist University.   Mr. O'Hare was appointed to the Board by Governor Rick Perry on May 2, 2013.

Appointment Expires:  February 1, 2019

TSBDE Committees and Liaisons:  Disciplinary Review Committee


Lois M. Palermo, R.D.H, B.S. - Hygienist Member

Ms. Palermo, of League City, is a dental hygienist at Castille and Castille PC.  She is also a dental hygiene examiner and member of the Hygiene Exam Review Board for the Western Regional Examining Board.  Ms. Palermo is a board member and past president of the Texas Dental Hygienists Association and a member and past board member of the Bay Area Dental Hygienists Society. She is also a past board member of the Space City Aquatic Team and a volunteer for the Bay Wind Village Convalescent Center.  Ms. Palermo received an associate degree in dental hygiene from Del Mar College and a bachelor's degree from the University of Houston.  Ms. Palermo was appointed to the Board by Governor Rick Perry on May 2, 2013 and she has served as Chair of the TSBDE Dental Hygiene Advisory Committee.

Appointment Expires:  February 1, 2019

TSBDE Committees and Liaisons:  Licensing Committee, Dental Practice Committee, TSBDE Liaison to the Western Regional Examining Board Dental Hygiene Exam Review Committee


Jorge Quirch, D.D.S. - Dentist Member

Jorge Quirch of Missouri City is a general dentist at DDS Associates in Houston. He is a clinical associate professor at the University of Texas School of Dentistry at Houston and a member of the American Dental Association, Texas Dental Association, Academy of General Dentistry, Greater Houston Dental Society and the Southwest Society of Oral Medicine. Additionally, he received his fellowship from the Academy of General Dentistry in 2007. Quirch received his Bachelor of Science from Texas A&M University and a Doctor of Dental Surgery from The University of Texas School of Dentistry at Houston.  Dr. Quirch was appointed to the Board by Governor Greg Abbott on March 31, 2016.

Appointment Expires:  February 1, 2021

TSBDE Committees and Liaisons: Licensing Committee, Disciplinary Review Committee


M. David Tillman, D.D.S. - Secretary

Dr. M. David Tillman, of Aledo, is owner of David Tillman, D.D.S. in Fort Worth.  He is a member of the Fort Worth District Dental Society, the Texas Dental Association, Academy of General Dentistry, American Dental Association, and the American Society of Orthodontics.  Dr. Tillman received a bachelor's degree from Baylor University and a Doctor of Dental Science from the University of Texas Dental School Houston.  He completed his general practice residency from St. Anthony Hospital in Oklahoma City.  Dr. Tillman received fellowships from the International College of Dentists, American College of Dentists, Pierre Fauchard Academy, and International Congress of Oral Implantologists and received a Mastership from the Academy of General Dentistry.  He is a past nominee for Texas Dentist of the Year and UT Dental Alumni of the Year.  He is a past president of the Texas Academy of General Dentists and where he currently serves as the Regional Director for Texas.  Dr. Tillman also serves on the Aledo ISD Board of Trustees.  Dr. Tillman was appointed to the Board by Governor Rick Perry on October 20, 2014 and reappointed by Governor Greg Abbott on March 31, 2016.

Appointment Expires:  February 1, 2021

TSBDE Committees and Liaisons: Executive Committee, Anesthesia Committee, Disciplinary Review Committee


Rich Villa, J.D. - Public Member

Rich Villa of Austin is a partner at Streusand, Landon & Ozburn. He is a member of the State Bar of Texas, American Bar Association, Austin Bar Association and the Austin Young Lawyers Association. Additionally, he is a member of Manos de Cristo Board of Directors and the Austin Chamber of Commerce. Villa received a Bachelor of Arts from Boston College and a Juris Doctor from Baylor University School of Law.  Mr. Villa was appointed to the Board by Governor Greg Abbott on March 31, 2016.

Appointment Expires:  February 1, 2021

TSBDE Committees and Liaisons:  Anesthesia Committee, Dental Practice Committee


Lewis M. White, J.D. - Public Member

Mr. Lewis M. White of Katy is an attorney for Law Office of Lewis White PLLC in Sugar Land. He is a member of the State Bar of Texas, member of the Fort Bend County Criminal Defense Attorney Association, Member of the Fort Bend Exchange Club, KEYS mentor, past president of the Fort Bend and Ector County Texas Young Lawyers Associations, Former Director for Texas Young Lawyers Associations and a past member of Safer Dallas Better Dallas.  Mr. White received his bachelor's degree from Mc Murry University and a law degree from the Texas Southern University Thurgood Marshall School of Law.  Mr. White was appointed to the Board by Governor Rick Perry on December 12, 2012.

Appointment Expires:  February 1, 2019

TSBDE Committees and Liaisons:  Executive Committee, Disciplinary Review Committee (Chair)


Jason Zimmerman, D.D.S., M.S. - Dentist Member

Dr. Jason Zimmerman, of Keller, is owner of Children's Dental Services of Texas. He is a member of of the Texas Dental Association, American Academy of Pediatric Dentistry, Ft. Worth District Dental Society, and the American Dental Association.  Dr. Zimmerman received a bachelor of science in Microbiology from Texas A&M University, a doctor of Dental Surgery from Texas A&M University Baylor College of Dentistry, and a masters in Pediatric Dentistry from the University of Minnesota School of Dentistry.  Dr. Zimmerman was appointed to the Board by Governor Rick Perry on October 20, 2014.

Appointment Expires:  February 1, 2017

TSBDE Committees and Liaisons: Anesthesia Committee, Dental Practice Committee