National Geographic Expeditions

Back to NationalGeographic.com 1-888-966-8687

:

Experts by Last Name: T

Paula Tagle Saad

Paula Tagle Saad grew up in Guayaquil and has worked as an interpreter for the Galapagos National Park for several years. Paula holds a degree in geology and has a deep familiarity with both the land and the culture of the Galápagos... More »

Mark Thiessen

Mark Thiessen began shooting for National Geographic in 1990. His numerous articles for National Geographic magazine include "Monsters of Madagascar" (August 2000), "Russian Smokejumpers" (August 2002), and a recent series on wildfires... More »

Tierney Thys

National Geographic Emerging Explorer Tierney Thys is a marine biologist and documentary filmmaker whose work explores the breadth of animal diversity from pole to pole and chronicles global environmental change. Tierney is a world authority on the giant ocean sunfish, Mola mola, and has led numerous expeditions worldwide from Africa to Baja, Japan, Indonesia, and the Galápagos Islands to study these bizarre jelly-eating behemoths... More »

Carl Tobin

Carl Tobin is an Associate Professor of Environmental Science and Outdoor Studies at Alaska Pacific University, Anchorage. He has studied human-caused damage in a riparian zone in Colorado, written a book on the climbing history of a section of the Alaska Range, and mentored students in a variety of Alaska's environmental issues... More »

Amy Toensing

Amy Toensing is a regular contributor to National Geographic magazine. She has photographed stories from her own backyard in Maine and the Jersey shore to the jungles of Papua New Guinea and the Australian outback... More »

Raul Touzon

Raul Touzon is a documentary and underwater photographer who specializes in making images that convey what he refers as to “The Eternity of a Moment.” Raul has traveled extensively, building a collection of photographs that have been featured in many publications including Time, US News and World Report, National Geographic Traveler and the National Geographic magazine... More »

Tyrone Turner

Tyrone Turner is an award-winning photojournalist whose assignments have taken him from Brazil to Baghdad. A native of New Orleans, Tyrone has shot images of New Orleans and the Louisiana Bayou for several National Geographic magazine articles, including “New Orleans: A Perilous Future” in the August 2007 issue and a special edition on Hurricane Katrina that was published in the fall of 2005... More »

Your participation in a National Geographic Expedition provides support to National Geographic's mission of increasing global understanding through exploration, geography education, and research.