Complex sentence: Hettes started boxing at age 14 and started training in Brazilian Jiu-Jitsu at the age of 16 and is currently the head instructor at Northeast Ju-Jitsu in Swoyersville, Pennsylvania.
Split into simpler sentences: Hettes started boxing at age 14 and started training in BJJ at the age of 16. Hettes is the head instructor at Northeast Ju-Jitsu in Swoyersville, Pennsylvania.