Since 2006, Koy has been a senior consultant for Agora in Thailand, with responsibility for the use of testing tools and structured testing methods in the deployment of integrated financial systems at Agora’s client sites.  

In 2005, Koy setup the testing strategy for GE Capital’s deployment of an integrated financial system, using automated testing tools.  She also used the tool for testing of systems at True Corporation.

Between 1994 and 2004, Koy worked at Bank of Asia, starting as IT systems auditor, and moving on be responsible for quality assurance for the IT department.

Koy earned her degree in Accountancy, Finance and Banking at Payap University in 1994.