How many movies have David Barron and Greg Powell collaborated on?

They have worked on 7 movies together! Their first movie together was Nightbreed (1990) while their highest rated movie together was Harry Potter and the Deathly Hallows: Part 2 (2011). They have not worked together since Harry Potter and the Deathly Hallows: Part 2 (2011). They are most known for their fantasy films together.