Mr. Vutthikrai Leewiraphan has been the Chairman of the company since 2025. Prior to this, he served as the Director of PTT Oil and Retail Business Public Company Limited. Mr. Leewiraphan was also the Director of General of the Department of Intellectual Property. Previously, he also worked as the Director of General of the Department of Business Development.

Mr. Kongkrapan Intarajang has been the Chief Executive Officer, Director, Secretary and President of the company since 2024. Prior to this, he also served as the Senior Executive Vice President at the company from 2019 to 2024; as the Director of Nomination and Remuneration Committee at Thai Institute of Directors Association from 2021 to 2024; as the Vice President of Thailand Swimming Association from 2020 to 2024; and as the Chairman of Global Green Chemicals Public Company Limited from 2020 to 2024. Mr. Intarajang also served as the Director of the Risk Management Committee PTT Global Chemical Public Company Limited from 2019 to 2024 and served in various positions including Senior Executive Vice President, Director and Chairman at various companies from 2008 to 2024.

Ms. Pattaralada Sa-Ngasang has been the Chief Financial Officer of the company since October 2024. Prior to this, she served as the Director of Emery Oleochemicals (M) Sdn. Bhd. and Emery Specialty Chemicals Sdn. Bhd. Ms. Ngasang also served as the Executive Vice President of the company. Currently, she also serves as the Director of Thai Oil Public Company Limited and PTT Oil and Retail Business Public Company Limited.

Mr. Buranin Rattanasombat has been the Chief New Business and Sustainability Officer of the company since 2022. Prior to this, he served as the Vice President of Innovation and New Ventures at the company from 2021 to 2022 and as Chairman of Nutra Regenerative Protein Company Limited from April 2021 to May 2021. Mr. Rattanasombat also served as the Senior Executive Vice President of Downstream Business Group Alignment at the company from 2020 to 2021.

Mr. Prasong Intaranongpai has been the Chief Operating Officer of Downstream Petroleum Business Group at the company since 2025. Prior to this, he was also the Acting Chief Operating Officer, Upstream Petroleum and Gas Business Group at the company. He was also the Director of Thai Oil Public Company Limited. Mr. Intaranongpai also served as the Senior Executive Vice President of Downstream Business Group Alignment. Previously, he was also the Executive Vice President, Acting Senior Executive Vice President of Downstream Business Group Alignment. He was also the Director of GPC International Terminal Company Limited. Mr. Intaranongpai was also the Executive Vice President, Acting Senior Executive Vice President of Downstream Business Group Alignment. Before this, he was also the Chairman of Sport Services Alliance Company Limited.