National Geographic Experts


A National Geographic expert will accompany each departure to share insights and a rare behind-the-scenes perspective. Listed below are some of the experts and the departure date(s) they will be joining.

David Silverberg
Geographer, Geologist, Conservationist

David Scott Silverberg is a geographer working on conservation projects spanning six continents. His mix of exploration, research, and digital photo-video storytelling has been popular with National Geographic travelers for many years. A National Geographic grantee and a fellow of both the Royal Geographical Society and the Royal Asia Society, David was the executive science director at Earthwatch Institute, set up and managed Boston University environmental field research programs in British Columbia and eastern Africa, and was a founding White House staff member for AmeriCorps. David has worked in more than 100 countries, manages the Environmental Learning Institute, and teaches at several international universities.

Departure Dates
  • Dec 30, 2017 - Jan 11, 2018
  • Feb 12 - 22, 2018

Tim Weed
Educator, Author

Tim Weed is an outdoorsman, independent explorer, and award-winning author. Highlights of his long career in international education have included directing college semester abroad programs in Spain, Australia, and Venezuela; bringing some of the first American students to Cuba since the Revolution in the late 1990s; creating and leading programs for writers, artists, and musicians in Spain, Cuba, Argentina, Italy, and Ireland; and trekking at various latitudes in the Andes cordillera in Venezuela, Ecuador, Peru, northern Argentina, Patagonia and Tierra del Fuego. A founding director of National Geographic Student Expeditions, Tim’s articles on travel, history, outdoor adventure, and the writing craft have appeared in Talking Points MemoBackcountryWriter’s Chronicle, National Geographic’s Intelligent Travel blog, and many other magazines and journals. Tim is the winner of a Writer’s Digest Popular Fiction Award and a Solas Best Travel Writing Award. His first novel, Will Poole’s Island, was named to Bank Street College of Education’s Best Books of the Year list, and a short fiction collection, A Field Guide to Murder & Fly Fishing, is out from Green Writers Press in 2017.

Departure Dates
  • Jan 15 - 25, 2018

Constanza Ceruti
Adventurer, Archaeologist

National Geographic Emerging Explorer Constanza Ceruti studies Inca ceremonial centers on the summits of the highest Andean peaks. She has climbed more than 100 mountains above 17,000 feet and has explored sacred summits in Europe, Asia, Australia, and the Americas. In 1999, she co-directed a National Geographic-sponsored expedition with Johan Reinhard. Together, atop a 22,100-foot summit, they discovered three of the best preserved mummies ever found, called the Llullaillaco children. Constanza has won numerous awards for her work, including the National Army of Argentina’s Gold Condor in Mountaineering, the Courage Award from Wings Worldquest, and the Gold Medal of the International Society of Woman Geographers. She’s been a TED Fellow and an invited speaker at the TEDGlobal meeting in Oxford, and was honored in 2006 at the Prince of Asturias Award ceremony, when National Geographic received the Communication and Humanities award. The author of more than 100 scientific publications and 20 books, she brings together her lifelong love of Patagonia and her vast experience in the study of sacred mountains to offer unique views about the importance of indigenous cultures in this part of the world.

Departure Dates
  • Jan 29 - Feb 08, 2018
  • Feb 26 - Mar 08, 2018