01 / Professional experience

A career across disciplines.

Decades of work at the intersection of language, investigation, documentation, and business.

1993–present

Vietnamese interpreting & translation

4TERP

Professional Vietnamese interpreting and translation for legal, medical, and business settings.

  • Court-certified Vietnamese interpretation in Washington, Texas, and Oklahoma.
  • Remote assignments nationwide; in-person assignments in Oklahoma.
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2016–present

Document & professional services

VanSon International, Inc.

Document preparation and professional support for individuals, families, and businesses.

  • Experience with legal forms, document preparation, and notary services.
  • Work across English- and Vietnamese-speaking communities.
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1993–present

Private investigations

OK Investigations / Central Security & Investigations

Private investigation and security work, including background checks and service of process.

  • Investigation experience across varied assignments and client needs.
  • Private investigator credentials in Washington and Oklahoma.
2008–present

Business operations

Evergreen Environmental, Inc.

Business experience in the manufacture, wholesale, retail, and trade of ammunition, firearms, and components.