Effective December 1, 2025, Mr. Jo Hyun (“Jon”) Kwoun was appointed President & CEO of Lotte Chemical USA Corporation (“LC USA”) and President of Lotte Chemical Louisiana LLC (“LCLA”). Mr. Kwoun holds a Bachelor’s Degree in Chemical Engineering from Hangyang University in Seoul, Korea.

Mr. Kwoun has two decades of experience as a Process Engineer, Engineering Manager and Production Manager.  Prior to his first years working in the U.S. for LC USA, he served as Vice President of Lotte Chemical Corporation’s Monomer business unit.

From May 2016 until March 2021, Mr. Kwoun managed the Project Control Team for LC USA as LCLA and LACC, LLC built their manufacturing facilities in Westlake, Louisiana.  He was instrumental throughout the design and construction phases and continued in his role through commissioning and operating of the facilities.  From 2021 to 2024, Mr. Kwoun served as Engineering Director for Lotte Chemical Corporation (“LCC”) and Production Director of Hyundai Chemical, a joint venture between LCC and Hyundai Oilbank.