Director
NOVA: Secrets of the Sky Tombs
2017 · Director
Himalayan Megaquake
2016 · Director
Killer Landslides
2014 · Director
Cave People of the Himalaya
2012 · Director
Lost Cave Temples of the Himalaya
2009 · Director
National Geographic: Surviving Everest
2003 · Director
NOVA-Lost Treasures of Tibet
Lost On Everest
2000 · Director
Lost on Everest: The Search for Mallory and Irvine
