1940-1941. Radio announcer, newscaster, writer, etc., KFBK, Sacramento.

1941-1943. United States Army Air Force. Bombardier in 8th Air Force, 453rd Bomb Group. 35 combat missions over Germany. Then 453rd BG Associate Public Relations Officer.

1944-1948 Student

1948-1949 Taught Voice and Articulation and Oral Interpretation of Poetry, University of Southern California.

1950 Taught phonetics, Trinity College of  Music and Drama (a college of Univ. of London).

1951-1954 Taught various speech science and research courses in the Speech Clinic, Florida State University.

1954-1963 Assistant Professor to Professor of Communication, The Air University, Maxwell AFB, AL.

1963-1964 Senior Research Scientist, American Institutes for Research in the Behavioral Sciences.

1964-1971 Director of Development (curriculum and evaluation), USAF Language School (later renamed Defense Language Institute English Language Center), Lackland AFB, TX.

1971-1985 Director of Development, Director of Evaluation, and other executive positions, Defense Language  Institute Foreign Language Center, Presidio of Monterey, CA.

1985-Present  Self-employed as Director of TASCommunicating. Developed and licensed a series of Proficiency  Tests of American English Comprehension (ProTAEC).