Brian J. Mast

• Foreign Affairs CommitteeChair
• Transportation and Infrastructure Committee
• Aviation Subcommittee
• Coast Guard and Maritime Transportation Subcommittee
• Water Resources and Environment Subcommittee

• House Republican ConferenceParty conference

• Annmarie M. Graham-Barnes — Chief of Staff
• Ross M. Dietrich — Deputy Chief of Staff
• Kaitlyn T. Constantini — Communications Director
• Shelly Ballaish — Scheduler
  shelly.ballaish@mail.house.gov
• Jordan R. Sejour — District Director
• Savanah R. Bustin — Deputy Communications Director
• David L. Casimes — Legislative Correspondent
• Antonio Castro — Shared Employee
• Edward Celaya III — Constituent Services Director
• Madison S. Engelking — Ext Relations/Operations
• Derek Hankerson — Constituent Services Representative
• Zachary C. Hardee — Staff Assistant / Legislative Correspondent
• Jaylene N. Kennedy — Legislative Assistant
  jaylene.kennedy@mail.house.gov
• Stephen G. Leighton — District Chief of Staff
• Angel M. Robertson — Outreach Coordinator
• Isabella J. Robertson — Part-Time Employee
• Shanna E. Schlabach — Shared Employee
• Amy C. Vopal — Constituent Services Representative
• Brianna N. Washburn — Part-Time Employee

Data as of Q1 2026 · House Statement of Disbursements

Emails from published public contact lists

• Fort Pierce772-446-8855
  100 North U.S. HWY 1 · Suite 217 · Fort Pierce, FL, 34950
• Jupiter561-530-7778
  601 Heritage Drive · Suite 144 · Jupiter, FL, 33458
• Port St. Lucie772-336-2877
  121 SW. Port St. Lucie Blvd. · Port St. Lucie, FL, 34984
• Stuart772-403-0900
  171 SW Flagler Ave. · Stuart, FL, 34994

Data from congress-legislators