“The best sermon is a good example.”
- Founder and Chief Instructor
- Isshinryu Hall of Fame Inductee
- World Martial Arts Hall of Fame Inductee
- World Karate Union Hall of Famer
- Texas Martial Arts Hall of Famer
- Action Martial Arts Magazine Hall of Famer
- International Martial Arts Hall of Fame Inductee
- Board Member – Isshinryu Hall of Fame
SOKE ROBERT A. KRISTENSEN
GRAPEVINE
Soke Robert A. Kristensen founded Texas Isshinryu Karate Kai in 1991 after several years of training at the Jersey Judo Karate Kai under Shihan Dale Jenkins. He also trained under Hanshi William H. Duessell and now trains under Master Toby Cooling. Soke Kristensen served in the United States Navy in Reconnaissance Attack Squadron 6 and also served as shore patrol in Sasebo, Japan. He is a Vietnam Veteran. He was a world champion competitor and Top 10 competitor in Texas for over 10 years. In 2005 he was inducted into the prestigious Isshinryu Hall of Fame and currently serves as a Board Member. Soke Kristensen is a Judan (10th degree black belt), currently teaching eight classes each week at the Grapevine Main Dojo. He also holds black belts in Goju-ryu and Judo.
Kyoshi Maria Kristensen
Grapevine
Earned Sho-Dan 1994
Studied Goju-Ryu
Studied Tae Kwon Do
Isshinryu Hall of Fame Inductee 2017
Kyoshi Susan Harris
Quinlan
Earned Sho-Dan in 1999
Registered Nurse
Top Competitor
Earned Sensei in 2005
World Champion
Kyoshi Tony Palos
Denton
Sho-Dan August 10, 2002
Jazz Musician
Top Competitor
IHOF Instructor of the Year
Grand Champion
Kyoshi Tina Palos
Denton
Sho-Dan March 30, 2003
Top Competitor
Jazz Musician
IHOF Instructor of the Year
Renshi Kyle Murray
Trophy Club
Began training in 1997
Sho-Dan April 15, 2007
Go-Dan April 18, 2021
Baylor Graduate
Top Competitor
Renshi Michael Strickland
Denton
Began in 1992
Top Competitor
Earned Sho-Dan April 13, 2008
Earned Yon-Dan April 15, 2018
Earned Go-Dan May 1, 2022
Also studied Taekwondo
IHOF Male Karate-ka of the year nominee
Renshi Mark Hendrix
Coppell
Began training in 1997
Sho-Dan April 15, 2007
Go-Dan April 18, 2021
Baylor Graduate
Top Competitor
Renshi Laura Murray
Grapevine
Began April 2002
Earned Sho-Dan April 13, 2008
Earned title of Sensei December 12, 2015
Earned Go-Dan May 1, 2022
Top Competitor
IHOF Outstanding Contribution Award 2014
Renshi Glenn Gibbs
Grapevine
Earned Sho-Dan April 13, 2008
Began in April 2002
Studied Shotokan
Earned title of Sensei in 2017
Renshi Margaret Myers
Los Colinas
Began in May 2002
Earned Sho-Dan April 13, 2008
Earned Yon-Dan April 15, 2018
Earned Go-Dan May 1, 2022
Earned title of Sensei August 2014
Top Competitor
Renshi Steve Gellman, MD
Grapevine
Began training in 1993
Earned Sho-Dan March 2003
Earned title of Sensei August 2013
Medical Doctor
Renshi Jennifer Wiederkehr
Flower Mound
Began in 2003
Sho-Dan March 29, 2009
Studied Goju-Ryu
Karate-ka of the Year
Go Dan April 2024
Renshi Tracy Dickey
East Plano
Began in June 2003
Sho-Dan March 29, 2009
IHOF Female Karate-ka of the year
IHOF Humanitarian Award 2019, 2022
Top Competitor
Go Dan April 2024
Renshi Charles Blommaert
Frisco
Trained in Shorin-Ryu
Sho-Dan August 2009
North Texas graduate
Earned title of Sensei in 2017
Law Enforcement Officer
Go Dan December 2024
Sensei Jim Wallander
Grapevine
Began in 2002
Both sons participated in karate
Earned Sho-Dan on April 15, 2012
Yon Dan May 2022
Sensei Jovi Espinosa
Los Colinas
Sho-Dan April 15, 2012
Top Competitor
Senior Karate-ka of 2009 & 2011
First Filipino Black Belt in TIKK history
Yon Dan May 2022
Sensei Dianne Van Winkle
Grapevine
Began in May 2005
Senior Karate-ka of 2011
Sho-Dan April 15, 2012
Top Competitor
Yon Dan May 2022
Sensei Dan Bamper
Moore, OK & Grapevine
Began in 1995
Sho-Dan Feb. 13, 2003
Top Competitor
Co-Owner Integrity Martial Arts (Edmond, OK)
Also trains in Tae Kwon Do
Yon Dan August 2023
Sensei Albert Solares
Grapevine
Began training in February 2009
Sho-Dan in August 2014
Co-Instructor at East Plano Dojo
Earned Sensei in August 2020
Yon Dan April 2024
Sensei Lee Stafki
Denton
US Army Veteran
Purple Heart Recipient
Sho-Dan May 1993
IHOF Male Karate-ka 2018
Also holds blackbelts in Aikido and Jujitsu
Anglican Priest
Yon Dan April 2024
Sensei Tim Callahan
Chicago
Earned Sensei May 2022
Sensei LB Herbert
East Plano
Began training in 2008
Senior Karate-ka of 2012 & 2013
Outstanding Black Belt of 2019 & 2023
Sho-Dan in December 2015
Co-Instructor at East Plano Dojo
Earned Sensei May 2022
Sensei Grace Murray
Trophy Club
Began training in 2010
Senior Karate-ka of 2014
Top Competitor
Sho-Dan in December 2015
Earned Sensei May 2022
Sensei Mark Schneider
Plano
Began training in 2002
Gasshuku Karate-ka of 2016
Sho-Dan in April 2017
Earned Sensei April 2023
Sensei Jared Brown
Denton
Began training May 2010
Sho-Dan in April 2018
Earned Sensei April 2024
Sensei Grant Dennis
Denton
Sho-Dan in August 2016
Earned Sensei August 2024
Sensei Oleksandr Kovalov
Grapevine
Sho-Dan in April 2019
Earned Sensei in April 2025
Sensei Ben Finley
Frisco
Earned Sensei in April 2025
In Memoriam
Renshi Tommy Thomas
Grapevine
Earned Sho-Dan in 2000
US Army Vietnam Veteran
Awarded 2 Purple Hearts
Spirit of Isshinryu Recipient
Sensei Mike Harper
Plano
Began in 1999
Top Competitor
Earned Sho-Dan April 13, 2008
Earned title of Sensei August 13, 2014
Sensei Erick R. Soto
Nevada
Began training under Sensei Chuck Maynard in 2006
Sho-Dan April 15, 2012
Head Instructor at Nevada Isshinryu Karate Kai
Yon Dan December 2022
Sensei Dan Melendez
Plano, Cozumel
Began training in 2001
Sho-Dan Dec 1, 2012
Scuba Diver
Chemical Dependency Counselor
Certified Recovery Coach