Recognition and source record.
Each source is described by its exact evidentiary scope so readers can distinguish independent reporting, official records and publisher-controlled profiles.
Published podcast interviewBilly Gavigan on Black & Blue
Billy Gavigan joins Black & Blue for a conversation about Marine Corps EOD service, judo and BJJ, returning to competition, coaching and the discipline shared by sport and business.
Open source ↗Independent profileWNYT · We Salute You: Billy Gavigan
Marine service, EOD leadership and international anti-terrorism instruction.
Open source ↗Independent business profileGuildQuality · Gavigan Homes Puts Customers First
A long-form profile of the transition from Marine service into Beaufort-area homebuilding.
Open source ↗Official sport profileInternational Judo Federation
Official athlete identity for William Gavigan and international result record, including 2024 European Cup bronze.
Open source ↗Published interviewThe Shintaro Higashi Show
A discussion of veterans judo, coaching, competition longevity and building Veterans Judo USA.
Open source ↗Independent trade coverageWhat Now Charleston · 1711 Tap House
Billy speaking publicly as Gavigan Group president about the Beaufort hospitality project.
Open source ↗Official development recordTown of Port Royal PUD directory
Government-hosted planning records for Sommer Lake Place and Azalea Square.
Open source ↗ 
Billy Gavigan · Competition archive