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Ambassadors to the European Union: A Historical Record of Diplomatic Representation

Ambassadors to the European Union

The diplomatic relationship between the United States and the European Union is managed by high-level representatives who serve as the primary bridge between these two global powers. These Ambassadors—the highest-ranking diplomats sent by a state to represent its interests—play a critical role in coordinating policy, trade, and security across the Atlantic.

Since the early 1960s, a succession of diplomats from various U.S. states has held this prestigious post, ensuring continuity in governance and strategic cooperation. The role involves not only presenting credentials to the EU but also managing the complex termination of terms as administrations change.

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Key Facts

  • First Representative: William Walton Butterworth of Louisiana began his appointment on August 10, 1961.
  • Geographic Diversity: Ambassadors have hailed from diverse states including New York, Washington D.C., Texas, and California.
  • Acting Roles: Several individuals, such as Michael McKinley and Ronald Gidwitz, served as Acting Ambassadors to maintain diplomatic continuity.
  • Current Status: Andrew Puzder of Tennessee is the incumbent ambassador, appointed on September 11, 2025.

Chronology of Diplomatic Appointments

The history of the mission is marked by varying lengths of tenure. Early representatives like John W. Tuthill and J. Robert Schaetzel provided stability during the 1960s and 70s, while later appointments reflected the shifting geopolitical landscape of the late 20th and early 21st centuries.

The Early Era (1961–1980)

The mission began with William Walton Butterworth in 1961. This period saw the establishment of formal channels, with figures like Joseph A. Greenwald and Deane R. Hinton managing the relationship through the mid-1970s.

Expansion and Modernization (1981–2000)

From the 1980s onward, the role evolved to address the growing economic integration of Europe. Notable representatives included Alfred H. Kingon and James Dobbins, with Stuart E. Eizenstat serving during the mid-1990s.

The 21st Century and Recent Transitions (2001–Present)

Recent years have seen a mix of career diplomats and political appointees. The transition from Mark Gitenstein to the current incumbent, Andrew Puzder, marks the latest chapter in this diplomatic lineage.

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Summary of EU Ambassadors

Historical List of Ambassadors to the European Union
Name Home State Appointment Date Termination Date
William Walton Butterworth Louisiana August 10, 1961 October 25, 1962
John W. Tuthill Illinois October 23, 1962 June 7, 1966
J. Robert Schaetzel Not Specified September 16, 1966 October 25, 1972
Joseph A. Greenwald Not Specified October 12, 1972 January 28, 1976
Deane R. Hinton Not Specified January 29, 1976 December 3, 1979
Thomas O. Enders Connecticut November 6, 1979 May 27, 1981
George Southall Vest Maryland September 20, 1981 February 27, 1985
J. William Middendorf Connecticut July 12, 1985 February 1, 1987
Alfred H. Kingon New York March 27, 1987 June 23, 1989
Thomas Niles Washington, D.C. June 23, 1989 August 26, 1991
James Dobbins New York October 9, 1991 July 31, 1993
Stuart E. Eizenstat Washington, D.C. August 2, 1993 April 1996
A. Vernon Weaver Arkansas July 2, 1996 February 28, 1999
Richard Morningstar Washington, D.C. July 7, 1999 September 21, 2001
Rockwell A. Schnabel California October 1, 2001 June 18, 2005
Michael McKinley (Acting) Washington D.C. June 18, 2005 January 20, 2006
C. Boyden Gray North Carolina January 17, 2006 December 31, 2007
Kristen Silverberg Texas May 2, 2008 January 18, 2009
William Kennard Washington, D.C. November 23, 2009 July 29, 2013
Anthony L. Gardner New York February 13, 2014 January 20, 2017
Gordon Sondland Washington June 28, 2018 February 7, 2020
Ronald Gidwitz (Acting) Illinois May 4, 2020 January 20, 2021
Mark W. Libby (Acting) Washington D.C. January 20, 2021 January 24, 2022
Mark Gitenstein Alabama December 18, 2021 January 17, 2025
Norman Thatcher Scharpf (Acting) Washington D.C. January 17, 2025 September 11, 2025
Andrew Puzder Tennessee September 11, 2025 Incumbent

Frequently Asked Questions

Who was the first Ambassador to the European Union?

The first person to hold this position was William Walton Butterworth of Louisiana, who was appointed on August 10, 1961.

What is an "Acting" Ambassador?

An Acting Ambassador is a diplomat who temporarily fulfills the duties of the ambassadorial role during a transition period between permanent appointments, such as Michael McKinley or Mark W. Libby.

Who is the current Ambassador to the European Union?

The current incumbent is Andrew Puzder of Tennessee, who was appointed on September 11, 2025.

Which U.S. states have frequently provided ambassadors for this role?

Several states appear multiple times in the records, most notably New York, Washington D.C., and Connecticut.

How long do these diplomatic terms typically last?

Terms vary significantly; some ambassadors served for several years, such as J. Robert Schaetzel (1966–1972), while others served shorter terms or in acting capacities for a few months.