Island CERTS Corporation

David A. Barnhouse, CEO

N. Xania Barnhouse, President
 

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Since 2000, David Barnhouse has led

Island CERTS with deep expertise in special projects, inspections, and non-destructive testing (NDT). Known for his practical, hands-on approach, he delivers efficient, compliant solutions and provides high-quality, hands-on safety training that keeps crews safe and job-ready.

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Nancy Barnhouse serves as President of Island CERTS, a woman-owned, HUD-certified company. With two master’s degrees, she provides strong leadership and strategic direction.

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Ronaldo Magadia leads the NDT team, delivering full NDT services across Guam, Saipan, Tinian, and other Micronesian islands, as well as Diego Garcia, Korea, and Japan.

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Jacob Wesley and DJ Mailuw lead the inspection division, supported by excellent crane operators and certified inspectors.

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Julius Yangitemai heads the OHE inspection division, ensuring Navy vessels entering Guam receive fast, professional load testing and certification of slings and lifting equipment.

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Cara Leon Guerrero dispatches field staff and ensures timely estimates and accurate, on-time certifications.

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​With a large, experienced staff, Island CERTS delivers quality, speed, and efficiency to customers across Guam, the Pacific, and international projects.