Filmography
NOVA: Secrets of the Sky Tombs2017 · Producer, Director, Writer
Himalayan Megaquake2016 · Director
Killer Landslides2014 · Director
Cave People of the Himalaya2012 · Director
Lost Cave Temples of the Himalaya2009 · Writer, Director
National Geographic - Everest 50 Years on the Mountain2003 · Director
National Geographic: Surviving Everest2003 · Director, Producer, Writer
NOVA-Lost Treasures of Tibet2003 · Writer, Director
Lost On Everest2000 · Director, Writer
Lost on Everest: The Search for Mallory and Irvine2000 · Producer, Director