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Aaron Williams


Aaron has fifteen years experience in protective security, technical surveillance countermeasures (TSCM), intelligence analysis, and government advising. 

Aaron led the TSCM program for one of the largest telecommunications companies in the United States and has performed sweeps across the country and overseas. 

Aaron is a full member of Espionage Research Institute International, the national professional organization for TSCM practitioners. He is based in Bellevue, WA.

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Thoma Papa

Senior Partner

Thoma is a veteran TSCM practitioner and has deep expertise in telecommunications systems, RF engineering, CCTV, layered perimeter protection, and facility design and construction.

Thoma Papa holds a Diplome D’Etudes Professional (DEP) in Telecommunications & Industrial Design, an AFCEA certificate in Network Security Administration & IT Security, and is a certified Technical Security Specialist (TSS).



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Call us: 1.206.480.1155

Contact us: info@avisiusllc.com