How many movies have Courtney Vanderslice and Michael Stevenson collaborated on?

They have worked on 3 movies together! Their first movie together was Event Horizon (1997) 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 mystery films together.