Mr. Peter Sandberg, 2^nd dan, started his martial arts training in 1982.  He is a certified instructor with the American Tang Soo Do Association. Mr. Sandberg is a student of Grand Master Byrne, the president and founder of the American Tang Soo Do Association, which is the oldest Tang Soo Do organization  in the United States.

In addition to being a student of Grand Master Byrne, Mr. Sandberg has trained with other masters of the ATA, such as Master Mitchell, Master Herbert, Master White, and Master Doke.  Mr. Sandberg presently trains with Master DiScipio and is an assistant instructor with Salem Street Studio.

Thanks to the friendships Grand Master Byrne has developed with some of the world’s most famous martial artists, Mr. Sandberg has had the opportunity to train with Bill ‘Superfooot” Wallace, Joe Lewis, Professor Dave Costolli, and Professor Wally Jay.