They are a non profit group as they do not charge for lessons.Tim is an advisor with the Bruce Lee Foundation. He has written many books and articles and has dvds that are currently for sale now. His latest book is:“Chinatown Jeet Kune Do” with Bob Bremer.His websites are:www.jkdwednite.comwww.jkdtalk.comwww.jkdlessons.comwww.phantomma.comHe can be reached at:thtackett@mac.com or thtackett@msn.com