Japanese Karate-Do Instructors

  JKD Founder

140813 JKD Training 0216b

The late Sonny Kim is Rokudan (6th Degree) and began his Shotokan Karate training in 1977. Sensei Kim was a dedicated instructor with the sole objective to practice, preserve, and propagate authentic Shotokan Karate. He served as the Official Instructor, Examiner and Judge for the World Traditional Karate Organization (WTKO) in the Mid-America Region. Sensei Kim's passion was to share his love of karate with his students through personalized, motivating and insightful instruction. His focus was on conveying the importance of details and how they come together to produce powerful techniques and confident students.  Sensei Kim started the JKD Dojo in December 1996.
A Shotokan Way Magazine Interview with Sonny Kim can be found at The Shotokan Way Magazine Link  


 Chief Instructor/Business Manager

140818 JKD Training 0355b

Robert ‘Rob’ Grossheim is Nidan (2nd Degree) and began training at the Japanese Karate-Do (JKD) dojo in 2002. After training hard for five years Robert received his Shodan in 2007 from Sensei Sonny Kim. In 2009, he received his Nidan. Sempai Grossheim is an assistant instructor at the JKD dojoand teaches kids and adult classes with an emphasis on fluid movement throughout techniques.  

Sempai Grossheim is always very helpful to the new students and make them feel welcome to our dojo.  


 

140813 JKD Training 0239b

Vinson Lewis is Nidan (2nd Degree) and began training at the Japanese Karate-Do (JKD) dojo in 2005. After training hard for five years he received his Shodan in 2010 from Sensei Sonny Kim. In 2014, he received his Nidan. Sempai Lewis currently is an assistant instructor at the JKD dojo and runs his own karate club at his church. Sempai Lewis has also competed locally and regionally, both winning and placing in his division.  


  

140818 JKD Training 0361b

Arjan Hura is Shodan (1st Degree) and began training at the Japanese Karate-Do (JKD) in 1997. After training hard for six years he received his Shodan in 2003 from Sensei Sonny Kim. Arjan is currently an assistant instructor at the JKD dojo. While attending Ohio State University (OSU), Arjan was involved with the karate club assisting with the teaching responsibilities of the OSU karate club. 


  

140813 jkd training 0191b

Robert Bradley is Shodan (1st Degree) and began training at the Japanese Karate-Do (JKD) dojo in 2007. After training hard for six years he received his Shodan in 2012 from Sensei Sonny Kim. Robert is currently an assistant instructor at the JKD dojo, teaching the Mid-Day, early noon classes. 


  

140813 JKD Training 0197b

Steve Simon is Nidan (2st Degree) and began training at the Japanese Karate-Do (JKD) dojo in 2006.  After training hard for five years he received his Shodan in 2011 from Sensei Sonny Kim. Steve is currently an assistant instructor at the JKD dojo.  


 

140813 JKD Training 0202b

Josh Lefeld is Nidan (2st Degree) and began training at the Japanese Karate-Do (JKD) dojo began training at the Japanese Karate-Do dojo in 2008. After training hard for five years he received his Shodan in 2013 from Sensei Sonny Kim. Josh is currently an assistant instructor at the JKD dojo working with the youth classes.