You won't find a teacher more qualified than Sifu Dave Durch. Dave has studied and taught martial arts, street fighting, and self-defense for over 50 years. He holds 4 black belts, has taught Police, SWAT teams, and Navy Seals.  You can read more about him on his website or iMDB.
His teaching style is the hallmark of all great teachers throughout history: You don't just learn, you get inspired. Dave coaches you to find your own greatness deep within and bring it forth to shine as a beacon for all.