Hilton Head Island names Sean Gillan assistant town manager of operations

Beaufort County News Headlines · January 9, 2026

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Summary

Hilton Head Island hired Sean Gillan as assistant town manager of operations effective Dec. 1; the bulletin credits him with more than $20 million in state and federal grants at Tybee Island and hurricane response experience coordinating with FEMA.

The Town of Hilton Head Island has hired Sean Gillan as assistant town manager of operations, effective Dec. 1, the county bulletin reported.

The announcement said Gillan will lead engineering, capital projects, facilities and information technology operations. The item summarized his experience, saying he previously served as city manager of Tybee Island, Georgia, and secured more than $20,000,000 in state and federal grants there while implementing a stormwater master plan and completing beach renourishment projects.

The bulletin also said Gillan brings experience coordinating hurricane response for Irma and Dorian with FEMA and regional partners. The news item cited a town press release for additional background; it did not list Gillan’s starting salary or contractual terms.