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Patrick M. Shanahan

b. 1962

Former United States Secretary of Defense

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About Patrick M. Shanahan

Born 1962. Patrick M. Shanahan is an American business executive, politician and engineer.

Patrick Michael Shanahan (born June 27, 1962) is an American businessman and the president and chief executive officer of Spirit AeroSystems. He is a former United States federal government official who served as the acting United States secretary of defense in 2019. President Donald Trump appointed Shanahan to the role after the resignation of Jim Mattis. Prior to that, Shanahan served as Deputy Secretary of Defense from 2017 to 2019. Before his government service, he previously spent 30 years at Boeing in a variety of roles. That decision was reversed on June 18, 2019, when Shanahan said that he was withdrawing, Shanahan's last day in that position was June 24, 2019. the son of Jo-Anne Genevieve and Michael George Shanahan. His father's original surname was "Rockholtz," and "Shanahan" is the surname of Patrick's step-grandfather. He grew up in Seattle, Washington, where he graduated from Bishop Blanchet High School in 1980. He attended the University of Washington where he earned a Bachelor of Science degree in mechanical engineering. He then earned a Master of Science degree in mechanical engineering from the Massachusetts Institute of Technology, and a Master of Business Administration from the MIT Sloan School of Management.

Career at Boeing (1986–2017)

Shanahan joined Boeing in 1986, becoming involved in Computer Services and the Boeing 777 program. Over the course of his career, he held management roles with respect to the Boeing Missile Defense Systems, as well as 737, 747, 767, 777, and 787 commercial airline programs. and was known there as "Mr. Fix-it" from as early as 2008.

Shanahan served Boeing Commercial Airplanes as vice president and general manager of the Boeing 757 program, with responsibility for the design, production, and profitability of the 757 family of planes.

Shanahan then served as vice president and general manager for Boeing Rotorcraft Systems in Philadelphia. He was responsible for all U.S. Army Aviation programs and site activities in Philadelphia and Mesa, Arizona.

In April 2016, he became senior vice president, Supply Chain & Operations, for Boeing.

Shanahan was a member of the Boeing Executive Council.

United States Department of Defense (2017–2019) Deputy Secretary of Defense On March 16, 2017, President Trump announced his intent to nominate Shanahan as the 33rd Deputy Secretary of Defense, the Pentagon's second-highest civilian position. Trump nominated Shanahan to lead plans to increase the size of the military.

Shanahan's Senate confirmation hearing took place on June 20, 2017. During the hearing, Senator John McCain, a proponent of providing arms to Ukraine, threatened to block Shanahan's nomination over his response in a written statement about whether or not the U.S. should provide such weapons to Ukraine. Shanahan said he did not have access to classified military information in order to make a decision on the matter.

Robert O. Work, the Deputy Secretary of Defense at the end of the Obama administration, remained in the position until Shanahan's confirmation. Shanahan was confirmed by the United States Senate with a vote of 92–7 on July 18, 2017, and became the 33rd Deputy Secretary of Defense on July 19, 2017. due to language in Mattis's resignation letter which criticized Trump's worldview. Shanahan assumed the office on January 1, 2019.

Shanahan made an unannounced trip to Afghanistan on February 11, 2019, meeting with President Ashraf Ghani, the country's chief executive Abdullah Abdullah, and defense minister Asadullah Khalid during the first few hours of his trip.

Shanahan visited the US–Mexico border on February 23, 2019, with Chairman of the Joint Chiefs of Staff USMC General Joseph Dunford and Commander of the United States Army Corps of Engineers Lt. Gen. Todd T. Semonite for joint assessments with Border Patrol, DHS, and others.

In late March 2019, news sources reported that Shanahan was under investigation by Office of Inspector General because of allegations he improperly advocated on behalf of his former employer, Boeing Co.

In a May 2019 internal memo, Shanahan ordered new restrictions on how information about global operational plans and orders are shared with Congress, such that summaries are provided rather than an actual plan or order that was requested.

On May 9, 2019, the White House announced that President Trump would nominate Shanahan as his second defense secretary, despite skepticism and even hostility from lawmakers and officials within the Department of Defense. However, Shanahan withdrew from the confirmation process in June, following increased public scrutiny of several incidents and allegations of domestic violence involving Shanahan's ex-wife and son. In a tweet addressing the withdrawal of the nomination, President Trump said that Shanahan intended to "devote more time to his family."

Post-Department of Defense career Since leaving government service in 2019, Shanahan has been appointed to serve on various boards of directors including Zanite Acquisition Corp. (2021), Leidos (2022), and CAE Inc. (2022). On October 2, 2023, Shanahan, a member of the company's board of directors, was appointed interim President and chief executive officer of Spirit AeroSystems, Inc.

Personal life Shanahan lives in Seattle with his wife, Adrienne Shanahan. He has three children from a previous marriage.

Awards and memberships Current positions Member, National Academy of Engineering in 2019 for aerospace industry leadership in commercial aircraft, missile defense and rotorcraft and for service to the Department of Defense. Fellow, Royal Aeronautical Society Associate Fellow, American Institute of Aeronautics and Astronautics Board of directors, American Parkinson Disease Association

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Important facts

Birth century
Nationality
Education
Massachusetts Institute of Technology, MIT Sloan School of Management, Bishop Blanchet High School, Master of Business Administration
Positions held
United States Deputy Secretary of Defense
Awards
Fellow of the Royal Aeronautical Society
Also known as
Patrick Michael Shanahan, Patrick Shanahan

People in Patrick M. Shanahan's life

Named in this biography and alive at the same time

Contemporaries

People whose lives overlapped Patrick M. Shanahan's

Frequently asked questions

Who is Patrick M. Shanahan?

former United States Secretary of Defense

When was Patrick M. Shanahan born?

Patrick M. Shanahan was born on 27 June 1962 in Washington, Palo Alto.

What is Patrick M. Shanahan's occupation?

Patrick M. Shanahan is a business executive, politician and engineer.

What nationality is Patrick M. Shanahan?

Patrick M. Shanahan is American.

Sources & further reading

· Wikipedia: Patrick M. Shanahan

· Wikidata: Q28967998

· DBpedia: Patrick M. Shanahan

Cite this page

APA: Biography.guide. (2026). Patrick M. Shanahan. https://biography.guide/patrick-m-shanahan/

MLA: "Patrick M. Shanahan." Biography.guide, https://biography.guide/patrick-m-shanahan/.

Chicago: "Patrick M. Shanahan." Biography.guide. https://biography.guide/patrick-m-shanahan/.

Data last updated: 2026-09-20 · Spot an error? Report a correction.

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