Hung came to the US in 1983 as a boat refugee. With just a high school diploma, he arrived in San Francisco with no money. He spent the next ten years working odd jobs. He worked full-time and put himself through college part-time. After nine years of part-time schooling, he finished his undergraduate degree at a small Silicon Valley-based private school, Cogswell Polytechnic College in 1992. At the time, he was also pioneering the art and science of software testing (a subject that probably not many people cared about). Hung is the author and co-author of several well-known and top-selling publications in the field. Early in his career, he was privileged to work with, then a startup, Electronic Arts, led by Trip Hawkins (founder of Electronic Arts), followed by another startup, US Robotics / Palm Computing, led by Jeff Hawkins (co-founder of Palm Computing, PalmPilot, Handspring, and Treo) and Donna Dubinsky (former CEO of Palm, Inc. and co-founder of Handspring). After also serving in technical leadership roles in a few other software companies, he founded LogiGear with headquarters in San Mateo, California in 1994. Following the creation of LogiGear, the company grew exponentially in the era. In 2000, he completed an executive education program with the Stanford Graduate School of Business, anticipating further growth at LogiGear. The opposite happened. The dotcom companies busted and so did many of LogiGear’s customers. LogiGear lost almost everything like many other companies in Silicon Valley at the time. In 2004/5, Hung came full circle and returned to Vietnam. He invested and opened LogiGear Vietnam with offices in Saigon, Danang and Hue, where 700 of its software engineers work today. Hung successfully led the development and launch of a series of Made-in-Vietnam test automation products including TestArchitect and TestArchitect for Visual Studio. As it grew again, LogiGear acquired a few companies around the world. Hung eventually sold LogiGear to a Japanese public company, Digital Hearts. As of the end of 2022, he has stepped out as CEO of LogiGear, but continues to serve as chairman of the board. Nowadays, he manages LogiGear part-time by day, and pursues his passion for music in the evening. In between, he finds time to mentor young entrepreneurs.