Timothy Treadwell (April 29, 1957–October 5, 2003), born Timothy Dexter, was an American environmentalist and bear enthusiast who lived among the coastal brown bears of Katmai National Park in Alaska for approximately 13 seasons. At the end of his thirteenth season in the park in 2003, he and his girlfriend Amie Huguenard (age 37) were killed and partially eaten by a brown bear.