# Denis Lamb

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American career diplomat

**Denis Lamb** (born September 6, 1937) is an American career diplomat who served as the [United States Ambassador to the Organisation for Economic Co-operation and Development](/source/United_States_Ambassador_to_the_Organisation_for_Economic_Co-operation_and_Development) from 1987 to 1990.[1]

## Biography

Lamb was born on September 6, 1937, in [Cleveland, Ohio](/source/Cleveland). He graduated from [Columbia University](/source/Columbia_University) with a B.S. in 1964 and received a M.S. from the [Massachusetts Institute of Technology](/source/Massachusetts_Institute_of_Technology) in 1970.[2]

He entered the [United States Foreign Service](/source/United_States_Foreign_Service) in 1960 and was assigned to [Fort-de-France, Martinique](/source/Fort-de-France%2C_Martinique) as vice consul between 1965 and 1966.

Mr. Lamb then became administrative adviser at the U.S. mission to the [Organisation for Economic Co-operation and Development](/source/Organisation_for_Economic_Co-operation_and_Development) (OECD) in Paris from 1966 to 1969.

After graduating from [MIT](/source/Massachusetts_Institute_of_Technology), Lamb worked was a systems analyst and computer systems manager, then as a science and technology officer, OECD desk officer, and deputy office director of the Political-Economic Office in the [Bureau of European Affairs](/source/Bureau_of_European_Affairs).

He was selected to serve as Executive Assistant to the [Deputy Secretary of State](/source/Deputy_Secretary_of_State) [Warren Christopher](/source/Warren_Christopher) from 1977 to 1978. He became deputy chief of mission at the [U.S. mission to the European Communities](/source/United_States_Mission_to_the_European_Union) in [Brussels, Belgium](/source/Brussels%2C_Belgium), from 1978 to 1982, and then returned to the Department as Deputy Assistant Secretary of Trade and Commercial Affairs, until 1986.

From 1986 to 1987, Lamb was Principal Deputy Assistant Secretary in the [Bureau of Economic and Business Affairs](/source/Bureau_of_Economic_and_Business_Affairs) in the [United States Department of State](/source/United_States_Department_of_State).

He was appointed by President [Ronald Reagan](/source/Ronald_Reagan) to be Ambassador to [OECD](/source/OECD) on June 15, 1987. His mission ended on June 28, 1990.[3]

## References

1. **[^](#cite_ref-1)** ["The Association for Diplomatic Studies and Training Foreign Affairs Oral History Project AMBASSADOR DENIS LAMB"](https://adst.org/OH%20TOCs/Lamb,%20Denis.toc.pdf) (PDF). *Association for Diplomatic Studies and Training*. 29 September 2009. [Archived](https://web.archive.org/web/20240627032259/https://adst.org/OH%20TOCs/Lamb,%20Denis.toc.pdf) (PDF) from the original on 27 June 2024. Retrieved 24 July 2024.

1. **[^](#cite_ref-2)** ["Nomination of Denis Lamb To Be United States Representative to the Organisation for Economic Co-operation and Development, With the Rank of Ambassador"](https://www.reaganlibrary.gov/archives/speech/nomination-denis-lamb-be-united-states-representative-organization-economic). *Ronald Reagan*. Retrieved July 2, 2021.

1. **[^](#cite_ref-3)** ["Denis Lamb - People - Department History - Office of the Historian"](https://history.state.gov/departmenthistory/people/lamb-denis). *history.state.gov*. Retrieved July 2, 2021.

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