Age:

64 Years old

Date of appointment as Director:

June 22, 2020

WHA Shareholdings: as of December 31, 2025

• Held personally: None
• Held by spouse or minor children: None

Family Relationship with Other Directors and Executives:

• None

Education:

• Ph. D. in Computational Science, George Mason University, USA
• Master’s degree, Computer Science, The George Washington University, USA
• Bachelor’s degree, Electrical Engineering, Chulachomklao Royal Military Academy

Training program:

• Hot Issue for Directors: Climate Governance Class 2/2023, Thai Institute of Directors
• SANS Certificate Program (SEC504) Ethical Hacking and Incident Response, SANS Institute
• ACinfotec: CSSP Preparation Program, ACinfotec Co., Ltd.
• Strategic Board Manager Program (SBM) Class 9/2020, Thai Institute of Directors
• Risk Management Program for Corporate Leaders (RCL) Class 15/2019, Thai Institute of Directors
• Role of Chairman Program (RCP) Class 44/2019, Thai Institute of Directors
• IT Governance Program (ITG) Class 9/2018, Thai Institute of Directors
• The National Defense Program Class 60/2017, Thailand National Defense College
• Director Certification Program (DCP) Class 210/2015, Thai Institute of Directors
• Director Accreditation Program (DAP) Class 51/2013, Thai Institute of Directors

Work Experience in the past 5 years

Director / Executive in other Listed Companies on The Stock Exchange of Thailand:

Director / Executive in other Non-Listed Company / Organization:

GICS Level 1 sectors classification: Information Technology/Energy

Details disclosed in "Attachment 1" Form 56-1 One Report 2025