CERTIFIED INSTRUCTORS

Kent Maichle

Kent is Co-owner and a certified instructor at Gracie Jiu-Jitsu Appleton. He began training Jiu-Jitsu in 2006. Kent has experience in several martial arts including American freestyle Karate and Krav Maga. He has been been an Inspector for the state of Wisconsin since 2010 when Boxing and MMA was regulated. In 2016 Kent co-chaired a committee that regulated Unarmed Combat for the Wisconsin Department of Safety and Professional Services. Kent completed the Gracie Instructor Certification Program in July 2012.


Jeff Denu

Jeff is Co-Owner and a certified instructor at Gracie Jiu-Jitsu Appleton in addition to being owner of The Academy - Martial Arts Leadership in Appleton, WI. He has been heavily involved in martial arts since 1993.  Jeff is a 6th degree Black Belt in American Karate with a background in sport karate and kickboxing. He started training in Jiu-Jitsu in 2005 at a weeklong camp with Pedro Sauer. Jeff went through the Gracie Instructor Certification Program in July 2012.

Levi Van Stappen

Levi is a certified instructor at Gracie Appleton and owner of Habitsmith. Levi began his martial arts training in 2004, earning the rank of instructor in 2007, as well earning a 3rd Degree Black Belt in American Karate in 2011. His Jiu-Jitsu journey started in 2006 from a private lesson with Ryron Gracie that set him on his path in Gracie Jiu-Jitsu. Levi is an Inspector for Boxing and MMA in Wisconsin since 2016. Levi completed the Gracie Instructor Certification Program in July 2017.