NEW YORK -- David Everett Mark, a former US ambassador to Burundi and deputy assistant secretary of state who after retiring worked as a professor and a New York tour guide, has died at the age of 81.
Mr. Mark died in a car accident Saturday while vacationing in Montana, his son, Clayton, said.
A native New Yorker, Mr. Mark joined the Foreign Service in 1946, serving in South Korea, Finland, Romania, and Moscow.
In 1959, he moved to Geneva where he joined the delegation to the Test Ban Treaty negotiations. He served as ambassador to Burundi from 1974 to 1977. Two years later, he was named deputy assistant secretary of state, a post he held until 1981.
When the Soviet Union broke up, he helped establish the US Embassy in of Georgia and helped the new government write its constitution.
For the last 15 years, he was an adjunct professor of global affairs at New York University.
Mr. Mark also turned his love for languages and travel in the last nine years into a full-time job as a licensed New York City tour guide for Gray Line.