Yu Jeong-joon is the Vice Chairman and CEO of SK On. He leads SK On as a co-CEO along with President and CEO Lee Seok-hee.
He also serves as the CEO of SK Americas.
Yu is striving to complete large-scale facility investments stably and expand global operations to achieve early profitability for SK On.
He was born on December 20, 1962, in Seoul.
Yu graduated from Kyunggi High School and studied Business Administration at Korea University. He earned a Master's degree in Accounting from the University of Illinois at Urbana-Champaign.
He began his career as an accountant at the New York office of Deloitte & Touche.
After working at McKinsey and LG Construction, he joined the SK Group.
Within the SK Group, Yu held various positions including President of the Resource & Chemicals (R&C) division of SK Energy, CEO of SK Lubricants, President of the Reflecting & Marketing (R&M) division of SK Energy, Head of the Global & Growth (G&G) Promotion Team of SK Group, CEO of SK E&S, and Chairman of the Global Growth Committee and Energy Chemical Committee of the SK Supex Council.
During the management rights dispute with hedge fund Sovereign, Yu played a pivotal role as the Chief Financial Officer in defending the management rights of the SK Group's owner family.
He has also worked closely with Chey Jae-won, the Senior Vice Chairman of SK Innovation and brother of SK Group Chairman Chey Tae-won, for a long time.
Yu is known for his calm and rational decision-making.
He enjoys reading and has a keen interest in the humanities.