Ted O’Callahan is a freelance writer based in the Hudson Valley. He writes about hidden geographies that reveal the ways people and places interact. These take the form of travel, science, environment, and business stories.

Currently a senior editor for the magazine at the Yale School of Management, Ted’s work has appeared in The New York Times, Washington Post, Audubon, The Seattle Times, Discovery Channel magazine, Inc., Seed, and other publications.

Ted in Alaska's Talkeetna mountains.

Feature stories include a look at bee ecologists traipsing through squash fields to understand the role of native pollinators in agriculture, and another on the complicated relationship between Bonaire locals and the island's population of endangered yellow-shouldered parrots.

Ted has led sea kayaking, backpacking, and mountaineering expeditions for the National Outdoor Leadership School (NOLS) since 1997, taking part in more than 25 trips lasting one-to-three months in Patagonia, Alaska, British Columbia, Mexico, India, and Wyoming. Personal trips have included visits to the Tiputini Research Station in the Ecuadorian Amazon Basin, climbs of Denali (Mt. McKinley) as well as 6,000 meter peaks in Ecuador and the Himalayas, and a journey from Patagonia to Boston by bus.

Born in Marshfield, Massachusetts, he has lived in New York; Taipei; Seattle; Madrid; Connecticut; and Puerto Natales, Chile. Ted has a master’s degree from Columbia's journalism school with a focus in science writing. He can speak Spanish and is a translator for Nuestra Mirada, a magazine of Latin American photojournalism.