Pratthana Leelapanang
Mr Pratthana Leelapanang is Chief Executive Officer of Advanced Info Service (AIS).
Pratthana worked as an engineer for six years (1996- 2002) and was responsible for planning GSM and NMT switching network infrastructure, and value added network infrastructure. In 2003, he moved on to the new role in marketing area as the Wireless Service Planning & Development Manager. After that, he was promoted to the Vice President Value Added Service Business and the Senior Vice President Digital Product & Service in 2008 and 2012 respectively. One year later, he was appointed as the Executive Vice President Marketing. He has been the Acting Chief Marketing Officer since 2016 and then the position changed to be Acting Chief Consumer Business Officer. Until October 2017, he got promoted to be Chief Consumer Business Officer. In July 2025 he was appointed Deputy CEO and Chief Operating Officer before his appointment as Chief Executive Officer from November 2025.
Pratthana graduated with a Bachelor Degree in Electrical Engineering from Kasetsart University. He received a Master of Science in Electrical Engineering and a Master of Science in System Science and Mathematics from Washington University in St. Louis, Missouri, USA.
