Date of Appointment as Director
(from date of listing on the Stock Exchange of Thailand)

• 19 July 2017

Tenure of Director (from date of listing on the Stock Exchange of Thailand)

• 8 years

Education

• Doctorate Degree of Arts in International Business Management, Honoris Causa, Siam University
• Honorary Doctor of Electrical Engineering, University of the Thai Chamber of Commerce
• Honorary Doctor of Engineering, Rajabhat University Nakorn Ratchasima
• Honorary Doctor of Business Administration, Ramkamhaeng University
• Honorary Doctor of Business Administration (Management), Rajamangala University of Technology Srivijaya
• Master of Business Administration, University of St. Gallen Switzerland

Training Program of the Thai Institute of Directors Association

• Director Accreditation Program, 2017 (DAP)

Other Training Programs

• In-House Program on “Stewardship towards Nature and Biodiversity” by KPMG Singapore, 2024
• In-House Program on "Business Transformation to be driven into Digital Economy”, Thai Institute of Directors (IOD), 2020
• Diploma, National Defence College, The Joint State-Private Sector Course, 2004 (NDC Class 17)
• Certificate, Top Executives Program, The Capital Market Academy (CMA Class 11)
• Certificate, Energy Literacy for Sustainable Future, Thailand Energy Academy (TEA Class 2)
• Certificate, Executive Management with Business Development and Investment, Institute of Business and Industrial Development (IBID Class 1)

Positions in B.Grimm Power and its subsidiaries

• 17 Sept. 2025 - Present Chairman, B.Grimm Power Public Company Limited
• 14 May 2025 - Present Member of Enterprise Risk Management Committee, B.Grimm Power Public Company Limited
• 29 April 2025 - Present Member of Digital Transformation Committee, B.Grimm Power Public Company Limited
• 2016 - Present Director, B.Grimm Power Public Company Limited
• Present Director, B.Grimm Power Public Company Limited’s Subsidiaries and Affiliates: 30 companies

Positions in other Listed Companies

• 2021 - Present Independent Director, Indorama Ventures Public Company Limited

Positions in other Organization (47 companies)

1987 - Present Chairman, B.Grimm Group

• Director, Phud Nam Limited
• Director, Ueang Naang Limited
• Director, Ueang Saai Limited
• Director, Grimm Installation Services Company Limited
• Director, B.Grimm Country Club Limited
• Director, Hamon B.Grimm Company Limited
• Director, Newco Marketing Limited
• Director, B.Grimm Dr. Gerhard Link Building Company Limited
• Director, B.Grimm Multi Products Company Limited
• Director, B.Grimm Maritime Limited
• Director, B.Grimm Alma Link Building Company Limited
• Director, B.Grimm Alma Link Building Services Company Limited
• Director, BGIC Company Limited
• Director, B.Grimm International Service Company Limited
• Director, B.Grimm Air Conditioning Limited
• Director, B.Grimm Air Conditioning Holding Limited
• Director, B.Grimm Healthcare Company Limited
• Director, Biomonde (Thailand) Company Limited
• Director, Link Manufacturing 1999 Limited
• Director, Anacot Company Limited
• Director, Carrier (Thailand) Company Limited
• Director, Panrail (Thailand) Company Limited
• Director, H & Co Company Limited
• Director, B.Grimm Cooling Company Limited
• Director, B.Grimm Energy Investments Corporation
• Director, B.Grimm Power (Singapore) Pte. Ltd.
• Director, B.Grimm Industrial Investments Corporation
• Director, B.Grimm Investments Pte. Ltd.
• Director, B.Grimm & Co Limited
• Director, B.Grimm Joint Venture Holding Company Limited
• Director, Pimalai Resort & Spa Company Limited
• Director, Metalwork Services Company Limited
• Director, Amata City Rayong Company Limited
• Director, Ramkhamhaeng 191 Company Limited
• Director, Ahingsa KTK Company Limited
• Director, Siemens Energy Limited
• Director, Vasudhara Company Limited
• Director, Unisus Green Energy Company Limited
• Director, 22 KN Limited
• Director, B.GRIMM Pharma (Thailand) Limited
• Director, B.GRIMM Pharma Holding Limited
• Director, Unison Laboratories Company Limited
• Director, ALL Research Company Limited
• Director, Medline Company Limited
• Director, F.C.P. Company Limited
• Director, B.Grimm Babcock Power Co., Ltd.
• Director, Merck Limited

Present

• Committee Member, The Thai Red Cross Society
• Sub-Committee Member, Human Resources, Thai Red Cross Society
• Sub-Committee Member, Thai National Blood Centre, The Thai Red Cross Society
• Committee, Administrative System Supervision and Development, The Thai Red Cross Society
• Honorable Advisor, Princess Sirivannavari Thai Coral Reef and Marine Life Conservation Foundation
• Chairman, The Association of Private Power Producers
• Director, Thai Chamber of Commerce
• Director, Thai Foundation

Work Experience in the Past 5 Years

• 2025 - 16 Sept. 2025 Group President, B.Grimm Power Public Company Limited
• 2020 - 16 Sept. 2025 Chairman of Management Committee and Chairman of Risk Management Committee, B.Grimm Power Public Company Limited
• 2010 - 2023 Independent Director and Chairman of the Compensation and Nominating Committee, True Corporation Public Company Limited
• 2016 - 2022 Chairman, B.Grimm Power Public Company Limited
• 2018 - 2020 Member of Nomination and Compensation Committee, B.Grimm Power Public Company Limited
• 1998 - 2020 Independent Director, Siam City Cement Public Company Limited

Associations

• Maha Chakri Sirindhorn Foundation for the Faculty of Arts, Chulalongkorn University Committee Member
• The Sirindhorn International Thai-German Graduate School of Engineering (TGGS) Council Member
• Princess Mother’s Charities Fund of Thailand Chairman
• Siri Wattana Cheshire Foundation Vice Chairman
• Vibhavadi Rangsit Foundation Committee Member
• Thai German Cultural Foundation Governor
• Royal Bangkok Symphony Orchestra Chairman
• Bangkok’s International Dance and Music Festival Committee Member
• 2009 - Present Thailand Equestrian Federation (TEF) President
• 2008 - 2009 Thailand Equestrian Federation (TEF) Vice President
• 2008 - Present South East Asian Equestrian Federation (SEAFE) President
• Asian Equestrian Federation Chairman Group 3, South East Asia
• 2006 - Present The Royal Bangkok Sports Club (RBSC) President of Riding Section
• Thai Polo & Equestrian Club Founder

Decorations

• Malaysia
  Darjah Kebesaran Sultan Ah mad Shah PahangYang Amat Di Mulia, Pertama, Sri Sultan Ahmad Shah Pahang (S.S.A.P) conferring the honoric title “Dato’ Sri” (2025)
  The Most Distinguished Order of Sultan Ahmad Shah Pahang, Second Class (Knight Commander) Honorary conferring the honoric title “Dato” (2009)
• Thailand
  Commander of the Most Noble Order of the Crown of Thailand (2009)
  Companion of the Most Exalted Order of the White Elephant (2005)
• Germany
  Verdienstorden der Bundesrepublik Deutschland 1. Klasse (Order of Merit 1st Class of the Federal Republic of Germany, Officer’s Cross) (2010)

Award & Recognition

• 2018 Award for outstanding use of Thai Language by Ministry of Culture
• 2023 Award “Pride and Dignity of Thais” by National Identity Office, Office of the Prime Minister
• 2024 Award honored by the Korean National Olympic Committee, the Ministry of Culture, Sports, and Tourism for his outstanding contributions to the Korea Equestrian Federation. This recognition marked a historic moment as it was the first time in the 70-year history of South Korea granting the country's sports honor awards to a non-South Korean citizen.