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Stephanie O'Sullivan

b. 1959

Intelligence officer

Intelligence officer
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About Stephanie O'Sullivan

Born 1959. Stephanie O'Sullivan is an American intelligence officer.

Stephanie O'Sullivan (born October 3, 1959) is a former Principal Deputy Director of National Intelligence (PDDNI) who was appointed to that position on February 18, 2011. She worked to assist the Director of National Intelligence (DNI) in managing the day-to-day operations of the intelligence community. Prior to serving as PDDNI, she served as a senior leader at the Central Intelligence Agency (CIA), rising to the Associate Deputy Director of the CIA before being confirmed as the PDDNI.

Prior career She served as the Associate Deputy Director of the CIA from December 2009 to February 2011. Before that position, Ms. O'Sullivan headed CIA's Directorate of Science and Technology for 4 years. In that role, she managed the CIA's technological innovation and support to case officer operations. In all, Ms. O'Sullivan spent over 14 years, combined in the Directorate of Science and Technology. Before the CIA, she worked in the Office of Naval Intelligence and at TRW, which is now part of Northrop Grumman.

Career after public service

In November 2020, O'Sullivan was named a volunteer member of the Joe Biden presidential transition Agency Review Team to support transition efforts related to the United States Intelligence Community.

Education Missouri University of Science and Technology Bachelor of Science in Civil engineering

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Important facts

Birth century
Occupation
Intelligence officer
Nationality
Education
Missouri University of Science and Technology
Employers
Central Intelligence Agency

People in Stephanie O'Sullivan's life

Named in this biography and alive at the same time

Contemporaries

People whose lives overlapped Stephanie O'Sullivan's

Frequently asked questions

Who is Stephanie O'Sullivan?

intelligence officer

When was Stephanie O'Sullivan born?

Stephanie O'Sullivan was born on 3 October 1959 in Cape Girardeau.

What is Stephanie O'Sullivan's occupation?

Stephanie O'Sullivan is an intelligence officer.

What nationality is Stephanie O'Sullivan?

Stephanie O'Sullivan is American.

Sources & further reading

· Wikipedia: Stephanie O'Sullivan

· Wikidata: Q7608356

· DBpedia: Stephanie O'Sullivan

Cite this page

APA: Biography.guide. (2026). Stephanie O'Sullivan. https://biography.guide/stephanie-o-sullivan-intelligence-officer/

MLA: "Stephanie O'Sullivan." Biography.guide, https://biography.guide/stephanie-o-sullivan-intelligence-officer/.

Chicago: "Stephanie O'Sullivan." Biography.guide. https://biography.guide/stephanie-o-sullivan-intelligence-officer/.

Data last updated: 2026-09-26 · Spot an error? Report a correction.

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