Sung Yi serves as chief financial officer for ViewSonic Corporation. He has more than 25 years of experience in a variety of accounting roles with ViewSonic as well as corporations such as Unocal (now owned by Chevron Corporation) and Newegg Inc. Yi oversees all aspects of global finance including accounting, financial reporting, planning, forecasting, and cash management. Yi is also the global team leader of Corporate Legal, HR and IT.

Prior to this role, Yi served as vice president and corporate controller for ViewSonic global. Yi has also held several other finance positions with increasing levels of responsibility for more than 20 years with ViewSonic. Yi earned a Bachelor of Science Degree in Accounting from USC, an MBA in Finance from Loyola Marymount, and is a certified public accountant.