United States Senator Bill Hagerty has announced several new appointments to his staff in Tennessee and Washington, D.C. These changes come as the senator aims to continue serving the state of Tennessee effectively.
Brian McCormack is set to take over as Chief of Staff. He is currently with the National Security Council at the White House and has previously worked with the White House Office of Management and Budget and the Department of Energy. Adam Telle, who was nominated by President Trump for a role in the Army Corps of Engineers, will be succeeded by McCormack.
Senator Hagerty expressed his confidence in McCormack’s abilities, stating, “I’m glad to have someone of Brian’s caliber and experience to lead this exceptional team. He brings a set of highly-relevant perspectives to the role where the paramount focus is to serve the people of Tennessee and the interests of our nation.”
Robert Donachie has been appointed Deputy Chief of Staff for Communications. His background includes work in public relations, journalism, and commentary on various media platforms.
Tiffany Delgado joins as Deputy Chief of Staff for Operations. Her previous roles include Senior Vice President at a marketing agency and Director at the National Republican Senatorial Committee.
Michael Sullivan will now serve as Senior Advisor while Alec Richardson becomes State Director for Senator Hagerty. Kalleigh Ahern takes on the role of Press & Digital Assistant.
Adam Telle continues his service with Hagerty during his nomination process as Assistant Secretary of the Army for Civil Works. Other appointments include Luke Pettit at Treasury, Jonathan Greenstein also at Treasury, Daniel Zimmerman at Defense, Julia Hahn at Treasury Public Affairs, Clark Milner advising domestic policy from within The White House, among others who have transitioned into significant roles within government agencies or maintained advisory positions connected to Senator Hagerty’s office.
Senator Hagerty acknowledged Adam Telle’s contributions: “I’m thankful for the many years of service Adam has put in leading our team from day one in the Senate…”
These appointments reflect a continued commitment by Senator Hagerty’s office towards effective governance both locally within Tennessee and nationally through federal positions related directly or indirectly under his influence.



