David C. Holton, 80, a retired Foreign Service officer who specialized in commercial affairs, died April 2 at Sunrise Assisted Living in Washington. He had dementia.

Mr. Holton joined the Foreign Service in 1960 and held assignments in Germany, Japan, South Africa, New Zealand, Norway and Canada before retiring in 1986.

In retirement from the government, he spent five years with the Fulbright Scholar Program. He recruited scholars to serve on selection boards.

David Caryl Holton was a native of London, Ohio. He was a 1952 graduate of Miami University in Ohio, where he was elected to the Phi Beta Kappa honor society. He served in the Navy in the mid-1950s.

He was a past president of the Potomac Appalachian Trail Club’s ski-touring section.

Survivors include his wife of 55 years, Dorothy Bloch Holton of Washington; three children, John Holton of Baltimore, Ruth Hodson of Sacramento, Calif., and Stephen Holton of Ossining, N.Y.; and two grandsons.

— Adam Bernstein