Formerly, he was VP of Technology & co-founder of Montclair Financial Technology Inc (MFT) where he built the company's investment data warehouse software products. MFT was later sold to Netik Inc. which was subsequently purchased by the Bank of New York. Prior to MFT, he was vice-president at Bankers Trust in charge of development of the BT-World product line, an investment data warehouse solution for the bank's institutional customers.

Thuyen holds an MBA in Finance from NYU Stern School of Business & a BA in Computer Science and Political Science from Columbia University.