Political aide (2017–2021) By March 2017, Harrison had been working in the
first Trump administration. After serving as a special assistant to the
deputy chief of staff for operations,
Daniel Walsh, he was named as a special assistant to the president for operations in February 2019. That month, Harrison met
Hayley D'Antuono. The two got engaged in November 2020 on the West Colonnade of the
White House; by that month, he had been named as a
deputy assistant to the president for operations.
Post-government work (2021–2024) After the
inauguration of Joe Biden, Harrison moved to
West Palm Beach, Florida, to assist outgoing president
Donald Trump in his transition process. He handled logistics for Trump's move from
Washington, D.C. to West Palm Beach, including bringing
Walt Nauta to
Mar-a-Lago. In late 2021, Harrison began working for Trump's post-presidential office. In May 2022, he married D'Antuono at the
Basilica of St. Mary in
Alexandria, Virginia. Harrison was among several aides interviewed in the
FBI investigation into Trump's handling of government documents that year, according to
CNN; In September,
The New York Times reported that Harrison had received a subpoena as federal investigators narrowly sought an angle, the finances of
Save America PAC, in the
Smith special counsel investigation into
efforts to overturn the 2020 presidential election. In December, he appeared before a grand jury in the Smith special counsel investigation into documents at Mar-a-Lago. Harrison was a witness to exchanges described by
Cassidy Hutchinson to the
House Select Committee to Investigate the January 6th Attack on the United States Capitol.
White House Deputy Chief of Staff (2025–present) . On January 4, 2025, Trump named Harrison as the
White House deputy chief of staff for operations. He was among several officials who observed the
2026 United States strikes in Venezuela from
Mar-a-Lago. ==References==