Classes at the Northwest school of Karate are taught by sensei Greg Sommers-Herivel.
Sensei Sommers-Herivel began his study at the Washington Karate Association before joining the Northwest School of Karate in 2003. He has over 15 years of experience in Hayashi-Ha Shito-Ryu.
Sensei Sommers-Herivel holds a second degree black belt (nidan) in Hayashi Ha Shito-Ryu. He started as an assistant instructor in the Northwest School of Karate shortly after he joined. He has been a principal instructor at the NWSK since 2005.