Jeff Tsai

Jeff Tsai serves as the Sales Director of Korea Sales and China Sales Support at United Microelectronics Corporation (UMC) since April 2009, focusing on business development in Korea and providing support for China. Previously, as Sales Director of Taiwan Sales from June 2013 to July 2015, Jeff led a team managing over $1.5 billion in business annually, achieving significant revenue growth and overseeing strategic business deployment. Jeff's experience also includes serving as Director of Technology and Manufacturing for EPCOS, where responsibilities included RF-MEMS project management and supply chain operations across Asia. Earlier in Jeff's career at UMC from 1999 to 2008, a senior manager role involved leading a design team focused on non-volatile memory products. Jeff Tsai holds a master's degree in Electrical Engineering from Stony Brook University.