About Us

John S. Wang, disciple of the grand master Chang, Dong Sheng (the Chinese wrestling king), has over fifty years of martial arts experience and has won competitions in the United States and China, including three times United States heavy weight championships in Shuai Chiao (1982, 1983, 1984).
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Mr. Wang has taken the first US Shuai-Chiao teams to compete in Taiwan (1984) and China (1985). He has been teaching in Austin since 1972 and serves on the board of directors for the American Combat Shuai Chiao Association.  He continues to teach Shuai Chiao at all levels from beginners to professional fighters.

​Mr. Wang is in Austin, TX and continues to teach Kung Fu and Combat Shuai Chiao.

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​My name is Zack Krasuk Castaño and have practiced Martial Arts for  two decades.  I studied Chang Tung Sheng style Tai Chi under Shifu Paul Hwang and am a black belt and certified Tai Chi instructor. I've been a student of Grand Master John Wang for many years and am a third degree black belt in Long Fist Kung Fu and a second degree black belt in Combat Shuai Chiao.  I am also a  Coach in Sanda.  Currently I teach Combat Shuai Chiao, as well as Long Fist and Tai Chi in Austin, TX.

I have sparred and competed all my life in different forms of combat: 
​Continuous Sparring (Gold Medal 2024), Continuous Sparring (Silver Medal 2019), Shuai Chiao (Gold Medal 2005), Chi Sau (Silver Medal 2004), Push Hands (Silver Medal 2004), Moving Push Hands (Silver Medal 2004; Bronze Medal 2003).  

I am fluent in Spanish, German and English and have a Masters in Chemistry, an MBA and a teacher's certification in High School Math and High School Chemistry.  Besides teaching martial arts I also teach math at a high school in the Austin area.

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Mr. Paul Gerald teaches Shuai Chiao and Tai Chi in Longview TX.  He has decades of experience teaching martial arts and has led multiple Sanda teams to victory at the international level.  You can reach him at his school's website: https://kungfuathleticacademy.com/

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