The Stimson Center mourns the loss of Ambassador William Caldwell Harrop, an unparalleled Foreign Service Officer, Inspector General, Ambassador, Marine, father, husband, esteemed Board Director, and dear friend to the Stimson Center.

During a thirty-nine year career as a Foreign Service Officer, Ambassador Harrop served as US Ambassador to Guinea, Kenya, Seychelles, Zaire, and Israel. In addition, he served as Inspector General of the State Department and Foreign Service, Deputy Assistant Secretary of State for Africa, as a member of the State Department’s Policy Planning and Coordination Staff, and Deputy Chief of Mission to Australia. Harrop also served in the United States Marine Corps during the Korean War. 

^{William C. Harrop (right), in his role as Inspector General of the Department of State and the Foreign Service, meets with Secretary of State George Shultz.
Photo Credit: American Foreign Service Association and William C. Harrop}

In addition to lecturing and writing on foreign policy and diplomacy, Ambassador Harrop served on the Boards of the Washington Humane Society, the American Academy of Diplomacy, the Senior Living Foundation of the American Foreign Service, Population Services International, American Diplomacy, and the Stimson Center.

^{William C. Harrop poses with former Secretaries of State during the September 2014 groundbreaking event for the United States Diplomacy Center. From left: Henry Kissinger, James Baker, John Kerry, Harrop, Hillary Clinton, Madeleine Albright and Colin Powell.
Photo Credit: American Foreign Service Association and William C. Harrop}

Barry Blechman, Stimson Center co-founder and Board Chair Emeritus, reflects on Harrop’s legacy:

“William Harrop, former Marine, career foreign service officer, US ambassador to multiple countries, director of the Foreign Service union, and long time director of the Stimson Center passed on June 6, 2025. He was a good man, as testified in his obituary by the many people whose lives he touched.

Bill was responsible for one of Stimson’s most successful projects. He raised the backing in 1990. The subject was the technical things that could strengthen the Foreign Service — new computers, better training, more rotations in STEM posts, recruiting from more diverse sources. The working group included Condoleezza Rice, who would become the 66^th U.S. Secretary of State; Colin Powell, Chairman of the Joint Chiefs of Staff and 65^th Secretary of State; multiple senators; and many others who entered the new Bush administration.

Needless to say, 90 percent of our recommendations were implemented,” says Blechman.

Ambassador Harrop’s wife of almost seventy years, Ann Delavan Harrop, predeceased Bill. She travelled with him overseas and was a vital support to his career and in promoting the legacy of the Foreign Service. Ambassador Harrop was Chair of the American Foreign Service Association (AFSA) from 1972 to 1974. He received the State Department Distinguished Honor Award, the Presidential Distinguished Service Award, the 2001 DACOR Foreign Service Cup, and the 2015 AFSA Award for Lifetime Contributions to American Diplomacy.

_{^{William C. Harrop, center, with President George H.W. Bush and Yitzhak Rabin in Kennebunkport, Maine on July 10, 1992.
Photo Credit: American Foreign Service Association and William C. Harrop}}

Harrop was the former Chair of the Diplomacy Center Foundation Board of Directors. Under his tenure, the 20,000 square foot pavilion opened in 2017 as a first step towards the opening of a full museum of American diplomacy. He continued to serve on the Foundation’s Board as the Chair of the Trustee Council until his passing.

Throughout his career, Ambassador Harrop demonstrated the highest degree of professionalism, dedication, and service. He remains greatly admired by his colleagues as he established an exemplary legacy for the Foreign Service. Bill, as he is remembered by his Stimson colleagues, will be deeply missed.

The Stimson Center Board Chairs Lincoln P. Bloomfield, Jr. and Barry Blechman remarked on Harrop’s distinguished career in this 2015 reflection. Read here.