Education

Bachelor Degree of Accounting, Nihon University in Tokyo

Director Training

by Thai Institute of Directors Association (IOD)

24 May 2021

Director Accreditation Program (DAP)

Years of being Board of Directors

5 years (2020 - Present)

Working Experience

14 August 2025 - Present

• Chairman of Board of Directors
  TTCL Public Company Limited

January 2024 - Present

• President
  EHS Co., Ltd

16 August 2023 - Present

• Independent Director
• Audit Committee
• Chairman of Nomination & Remuneration Committee
  TTCL Public Company Limited

July 2021 - 30 June 2023

• Senior Adviser Carbon Neutral Transformation Department
  Idemitsu Kosan Co., Ltd.

16 November 2020 - 15 August 2023

• Director
  TTCL Public Company Limited

July 2020 - 30 June 2023

• Senior Adviser
  Idemitsu Engineering Co., Ltd.

July 2020 - December 2020

• Senior Adviser-Overseas Affiliates Internal Control Department
  Idemitsu Kosan Co., Ltd.

July 2017 - June 2020

• Senior Executive Officer, Resource Business (Oil and Gas, Geothermal, Coal & Uranium)
  Idemitsu Kosan Co., Ltd.

July 2017 - June 2018

• General Manager, Exploration & Production Department
  Idemitsu Kosan Co., Ltd.

July 2015 - June 2017

• Executive Officer & General Manager of Coal Business
  Department of Idemitsu Kosan Co., Ltd.

July 2013 - June 2015

• Executive Officer & General Manager Renewable New Energy Department
  Idemitsu Kosan Co., Ltd.

April 2012 - June 2013

• General Manager of Renewable New Energy Office
  Idemitsu Kosan Co., Ltd.

April 2011 - March 2012

• General Manager, New Business Development Office
  Idemitsu Kosan Co., Ltd.

October 2010 - March 2011

• Deputy General Manager, New Business Development Office
  Idemitsu Kosan Co., Ltd.

July 2007 - September 2010

• Deputy General Manager, Retail Marketing Department
  Idemitsu Kosan Co., Ltd.

April 1981 - June 2007

• Staff
  Idemitsu Kosan Co., Ltd.

No. of Shareholding in TTCL

None

(as of 14^th August 2024)