Instructors (left to right):

Mary Ellen Ballantyne

Grandmaster Ro Insler

Jess Insler


Grandmaster Roseanne M. Insler (Grandmaster Ro) founded Ro Insler Taekwondo in 1993 and holds a 7th Degree Black Belt in Taekwondo. She earned numerous medals and trophies in regional and national Taekwondo and Karate competitions, was a Member and Inductee of the Garden State Games Karate Hall of Fame, as well as a GSGKI Certified Karate Referee and Judge. Grandmaster Ro was awarded the New Jersey Governor's Cup Award for Taekwondo in 1993, thereby qualifying for the 1996 Taekwondo Olympic trials. She trained for seven weeks with former Olympic Gold Medalists but did not continue, instead deciding to open her own Taekwondo school later that year. Grandmaster Ro currently resides in San Antonio, Texas, offering private online lessons in Taekwondo and Self-Defense for Advanced students, as well as birthday parties and self-defense seminars in the San Antonio area. The school continues in New Jersey with Ms. Mary Ellen Ballantyne as the Master Instructor.



Sah Bom Nim Mary Ellen Ballantyne (pictured right) is a Master Instructor with over 28 years of training in Taekwondo, and with over 20 years of experience as Grandmaster Ros top Assistant Instructor. Ms. Mary Ellen was also a Certified Official Karate Referee and Scorekeeper, and currently holds a 4th Dan Master Black Belt in Taekwondo. After Grandmaster Ro moved to Texas in December of 2018, Ms. Mary Ellen took on the responsibilities of Master Instructor for our Beginner, Novice, Intermediate and Advanced classes offered through the Fair Lawn Community School.


Kyo Sah Nim Jess Insler (pictured right) is a 3rd Degree Black Belt and Senior Instructor with over 28 years of experience in Taekwondo. Mr. Jess was also an Instructor in our evening classes in New Jersey, as well as our school's official sparring and self-defense coach. Mr. Jess was also a Certified Karate Referee and Judge, as well as a former tournament Ring Coordinator for many regional Karate tournaments. Although Mr. Jess is officially retired from teaching Taekwondo, he often assists Grandmaster Ro with Self-Defense classes and seminars (as well as birthday parties) in the San Antonio area.