District 1
Dan Petrosky, D.C.

District 2
Jon Blackwell, D.C.

Jon Blackwell, D.C. grew up in Panhandle, Texas, where he graduated from Panhandle High School in 1993. He then went on to Abilene Christian University, where he graduated Cum Laude in 1997 with a BS in Biology.  In 2000, he Graduated Cum Laude from Parker College of Chiropractic. Currently Dr. Blackwell works at Amarillo Spine and Rehabilitation Center. He married his beautiful wife Heather, in 1999 and together they have two boys, Ryan 6 and Tate 11 weeks. Dr. Blackwell is a member of Southwest Church of Christ and Amarillo West Rotary. 

District 3
Jason Clemmons, D.C.

District 4
Greg Carter, D.C.

District 5
John Quinlan D. C.

District 6
Cody Chandler, D.C.

Dr. Chandler is the Vice President of Operations at CareFirst Medical Associates & Pain Rehabilitation, PA. He also works intimately with MBA Consultant Group, LLC focused on the advancement of education and training in the field of Medical Business Administration. He achieved his Bachelors in Health, Bachelors of Human Anatomy and Doctorate of Chiropractic from Parker College. He has an Executive Masters Certification in Business Administration from the Mendoza College of Business at the University of Notre Dame. Additionally, Dr. Chandler has completed the Six Sigma Greenbelt- Healthcare Certification at Villanova University, and currently pursuing a dual MS/MBA with an emphasis in Management, Accounting and Finance.  Cody has true passion and desire to serve the Texas Chiropractic Association and is very excited about the opportunity to be the new District 6 State Director.

District 7
David King, D.C.

District 8
Robert Hoffman, D.C.

 Robb Hoffman, DC, grew up in New York State about one hour north of NYC. There he spent many years working in the EMS and Fire Service as well as the hospital system as a nursing assistant before finding chiropractic. He was introduced to chiropractic while skiing in Vermont and fell in love with the idea of maintaining the giving lifestyle but doing so on a more natural basis. A 1998 Graduate of Palmer College in Davenport, Iowa, Dr. Hoffman has been in practice in Austin, Texas since he moved to the great State of Texas. He practices with his wife Myra, also a Palmer grad, who maintains a pediatric and women’s health practice in North Austin. They have two awesome children, Cameron, 9 years and MacKenzie, 7 ½ years. Dr. Hoffman has been a TCA Board member for 2 years now as the District 8 State Director and also served as District 8 Vice President for 2 years prior. He has enjoyed his past service at the District level as VP and looks forward to the continued service with the tasks at the State Director level.

District 9
Debra White, D.C.

Dr. Debra White, BSN, D.C., has practiced chiropractic for 20 years in Nacogdoches, Texas where she is in solo practice.  She has been a proud member of the Texas Chiropractic Association during all of those years.

She received her Doctorate of Chiropractic degree at Cleveland Chiropractic College in Kansas City, Mo. in 1988.  Prior to that she worked as a critical care nurse specialist for many years, and while she was pursuing her chiropractic doctorate. She now focuses on family practice. Dr. White also has a speaking affiliation with Stephen F. Austin University. 

Her main objective in Chiropractic is to be a natural healing vessel for the greatest physician, Jesus Christ.  Her church affiliation is the Lufkin Seventh Day Adventist church. She places a great emphasis also on the Lufkin Religious Broadcasting Network where she volunteered as a D.J. 15 years ago.  She is now serving on that Board of directors to bring the message of salvation over the airwaves.

Dr. White is a mother to her 13 year old daughter, Shelby, who is an honor student at Douglass School.

District 10
Thimios Partalas, D.C.

Dr. Thimios D. Partalas is the new State Director for District 10. He received his Doctor of Chiropractic degree from Parker College of Chiropractic in 1997. Before this, he pursued his Undergraduate Studies at the University of Western Ontario, Canada, where we received a 3-year combined degree in Biology and Environmental Science.

Dr. Partalas is Board Certified by the American Chiropractic Neurology Board in Electro-neurodiagnosis. He also has extensive knowledge of the human cardio and muscle physiology during active rehabilitation and in nutritional assessment and therapy with clinical correlation.

District 11
Ed Kieke, D.C.

District 12 Yvonne Landavazo, D.C.