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J.M. Robertson Inc. dba Amorient Engineering was established in Texas in 1982 by civil engineer John Robertson.  After he relocated to Guam, Amorient Contracting was incorporated in 2003, and Amorient Engineering was registered in 2005.

Our current management team, Hernan Bonsembiante and Gregory Cantelo have known each other since 1993 when both worked on the US Navy Undersea Test & Evaluation Center (AUTEC) in the Bahamas. Hernan started at Amorient in 2013 as VP of Operations and Greg in 2015 as Engineering Manager.

In July 2019, John stepped down and was succeeded by Hernan as President, and Greg as Vice President and Principal Engineer.


The firm has grown to employ more than 20 staff members from all over the world.

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