1967-1968 U.S. Army combat photographer in Vietnam. Published book "Where War Lives" (1989)
1969-1976 National Geographic Staff Photographer. Published three books: "In the Footsteps of Lewis and Clark" (1971), "The Appalachian Trail" (1974), and The Magestic Rocky Mountains" (1975).
Magazine Photographer of the Year, White House News Photographers Association (1971).
1976-1993 Advertising Photographer.
Advertising Photographer of the Year, American Society of Media Photographers (1986)
1993-1996 Nature photographer, Licensee National Parks Foundation.
1996-present: Golf photographer Published two books: "Golfers (2000) and "The PGA TOUR: A Look Behind the Scenes" (2002)
2006 to present: inspirational speaker.