Robert Marshall, Sr.

• 5th Degree Black Belt, Certified Instructor
• Owner and Chief Instructor of Marshall's ATA Martial Arts
• National Level III Judge
• 2002 Texas State Sparring Champion
• Cooper Institute Certified Personal Trainer
• Certified in Sports Nutrition
• Certified in Interval Training
• Certified in Functional Movement Systems
• Certified in Anatomy for Fitness & Wellness
• Certified in Boot Camps & Circuits Leadership
• Veteran of the United States Navy 1978 - 1984
• Navy Expeditionary Medal for Service in Indian Ocean
• Meritorious Unit Commendation
• Studied Business Adm & Bus Law at University of Maryland
• Father of two 3rd Degree Black Belt Instructors

Cynthia Marshall

• 5th Degree Black Belt, Certified Instructor
• Co-owner and Program Director of Marshall's ATA Martial Arts
• National Level III Judge
• 2006 Sparring Texas State Champion
• 2006 2006 Sparring World Champion
• B. A. in Business Administration from Dallas Baptist University
• Mother of two 3rd Degree Black Belt Instructors

Stephani Marshall

• 3rd Degree Black Belt, Certified Instructor
• 2000-2001 Forms, Sparring & Weapons Texas State Champion
• 2002-2003 Forms, Sparring & Weapons Texas State Champion
• Graduate BA from Texas Women's University

Mr. Arthur Grimaldo

• Mr. Christian Gilbreth trained for about six years in Austin where he reached the rank of 2nd Degree Black Belt before moving to Denton for school.
• While in Austin, Christian participated in Demo teams, tournaments, XMA, and the Junior Leadership Team.
• After an 8 hear break, he is jumping back in.

Mrs. Deann Wester

Mrs. Deann Wester joined Marshall's ATA Martial Arts back in June of 2018. We are honored to hear her say that she is happy to be part of the school and to help with the Tigers. She is a proud of grandparent of Jovannie and Jeremiah Wester. She worked for the Hartford insurance and has since 2001. Things that she enjoys doing...working in her yard, helping to teach kids, crafts, cooking, being with her grandsons and most of all doing things that God wants her to do. That can be from helping others to just learning. She has worked in the Insurance industry for 18 years and before that she worked for Pricewaterhouse for 5 years. She went to college at Midwestern State University and a Golf scholarship and she graduated from Breckinridge High School.