David Hamlin is an Emmy award-winning filmmaker at National Geographic. He came to the Society 16 years ago as an adventure filmmaker, working in the Himalayas, equatorial rain forests, and polar regions. Over the last decade, David has changed his focus to wildlife filmmaking, traveling the world multiple times in pursuit of wild places and stories. He has captured some of the Geographic's finest images on land, in the air, and underwater. His recent work includes the National Geographic Channel's landmark series "Great Migrations," and most recently an award winning film about elephants in Mozambique suffering from Post-Traumatic Stress Disorder. - See more at: http://www.nationalgeographicexpeditions.com/experts/david-hamlin/detail#sthash.eXiRCbwD.dpuf