How many movies have Birgit Dierken and Brad Pitt collaborated on?

They have worked on 2 movies together! Their first movie together was Inglourious Basterds (2009) and was their highest rated movie together. They have not worked together since World War Z (2013).

World War Z (2013)

Crew
First Assistant Camera
Role
Gerry Lane
Crew
Producer

Inglourious Basterds (2009)

Crew
First Assistant "B" Camera
Role
First Lieutenant Aldo "The Apache" Raine