David Eugene Zweifel (September 13, 1934 â January 1, 2022) was United States Ambassador to North Yemen from 1981 to 1984. Zweifel entered the US Foreign Service in 1962, undertaking an assignment as a political officer in Brazil.
Zweifel graduated from Oregon State University (B.S., 1957; education major, planning on a teaching career).
He served in the U.S. Navy as a lieutenant from 1957 to 1962 and as a Naval ROTC instructor at Princeton University from 1960 to 1962.
Zweifel died from complications of cancer on January 1, 2022, at the age of 87.