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
• Jordan R. Sejour — District Director
• Amy C. Vopal — Constituent Services Representative
• Angel M. Robertson — Outreach Coordinator
• Antonio Castro — Shared Employee
• Brianna N. Washburn — Part-Time Employee
• David L. Casimes — Legislative Correspondent
• Derek Hankerson — Constituent Services Representative
• Edward Celaya III — Constituent Services Director
• Isabella J. Robertson — Part-Time Employee
• Jaylene N. Kennedy — Legislative Assistant
• Madison S. Engelking — Ext Relations/Operations
• Savanah R. Bustin — Deputy Communications Director
• Shanna E. Schlabach — Shared Employee
• Stephen G. Leighton — District Chief of Staff
• Zachary C. Hardee — Staff Assistant / Legislative Correspondent

Data as of Q1 2026 · House Statement of Disbursements