Owen Hoffman

Former NPS Park Ranger-Naturalist, Crater Lake National Park (1966-68), Zion National Park (1969), Yosemite National Park (1969-71).

Member of the Coalition of National Park Service Retirees (www.npsretirees.org)

Member of the Board, Crater Lake Institute (www.craterlakeinstitute.com)

President and Director, SENES Oak Ridge, Inc., Center for Risk Analysis (www.senes.com)