Master Joe Goss Jr. began training in Tang Soo Do at age six. He earned the rank of First Degree Black Belt at age nine. At age 19 Master Goss Jr. earned the rank of Master (4th Degree Black Belt), at that time he was the youngest person ever awarded the rank of Master in the International Tang Soo Do Federation.
Master Goss Jr. was an assistant instructor at his father's karate school at the age of 13. By age 18 he was the sole instructor of a credit course at the University of Pittsburgh at Johnstown. In 1995, Master Goss Jr. opened his own school in the Richland area of Johnstown.
During his 37 year martial art career Master Goss Jr. has competed in many tournaments locally, nationally, and internationally. He has won innumerable first place and grand champion trophies. In 1992 he coached the sparring team from the Joe Goss Karate School which took the 1st place trophy at the International Tang Soo Do World Tournament held in Atlanta, Georgia.
Master Goss Jr. was promoted to the rank of 7th Degree Black Belt in 2009 by Choong Jae Nim C.S. Kim, President and Founder of the International Tang Soo Do Federation. Master Goss has been a member of the technical advisory committee for the ITF.