How many movies have David S. Sterling and Shawn C. Phillips collaborated on?

They have worked on 13 movies together! Their first movie together was Vampire Boys 2: The New Brood (2013) while their highest rated movie together was Grand Auto Theft: L.A. (2014). They have not worked together since The Occultist 2: Bloody Guinea Pigs (2020). They are most known for their horror films together.