ONSemi, a leader in intelligent power and sensing technologies, has appointed Taejong Lee, former CEO of KeyFoundry, as the new CEO of ONSemi Korea, located in Bucheon, Gyeonggi-do.


Newly appointed CEO Lee Tae-jong has over 30 years of expertise in technology development, design services, sales, marketing, and manufacturing operations for semiconductor fabs, global IDMs (Integrated Device Manufacturers), and foundry companies.

“With his extensive semiconductor expertise and leadership, Taejong will be instrumental in driving the continued global success of our Bucheon fab,” said Wei-Chung Wang, ON Semiconductor’s vice president of global manufacturing and operations. “ON Semiconductor’s Bucheon fab is a hub of innovation and technical excellence that provides ON Semiconductor’s differentiated solutions to meet the demands of the electric vehicle market, energy infrastructure and AI datacenter expansion. To achieve this, ON Semiconductor relentlessly pursues innovation, collaboration and best-in-class value across all areas. With an excellent team and leadership in place, ON Semi is well positioned to drive continued growth and success.”

CEO Lee Tae-jong said, “Onsemi Korea has the best power semiconductor production line and equipment in Korea. “Based on Onsemi’s long-standing experience and know-how, we will drive growth so that Bucheon Fab, our main SiC facility, can continue to lead the global market,” he said.

Before joining Onsemi, new CEO Lee Tae-jong served as CEO and president of KeyFoundry (now SK KeyFoundry, a subsidiary of SK Hynix) and AllChips Corporation.

Previously, he served as Vice President and General Manager of the Foundry Business Unit at MagnaChip Semiconductor Korea, and worked at Chartered Semiconductor Manufacturing (now GlobalFoundries) in Singapore and Samsung Semiconductor (now ON Semi).

The new CEO, Lee Tae-jong, was appointed effective March 4, 2025.