How many movies have Hsieh Tehching and Robert Attanasio collaborated on?

They have worked on 1 movie together! Their first movie together was Tehching Hsieh: One Year Performance, Art Documents 1978 - 1999 (2000) and was their highest rated movie together. They have not worked together since Tehching Hsieh: One Year Performance, Art Documents 1978 - 1999 (2000).