Name Mr Suraporn  Simakulthorn     
Age 76 years   
Nationality Thai
Position Chairman
Date of appointment as director 24 January 1980
Tenure 36 years
Number of ordinary share held in the company 30,295,128 shares 
Percentage of shareholding 2.525 %
Educational background
  • Doctor Degree in Public Administration : D.P.A. Bangkok Thonburi University (2014)
  • Master Degree in Economics, Ramkhamhaeng University (2008)
  • Bachelor Degree in Electrical Engineering (Communication) Chulalongkorn University (1963)
IOD training Director Certification Program (DCP) / 2003
Role of the Chairman Program (RCP) / 2016
Position in the company None
Positions held in other listed companies Chairman
  • Thai Appliance Industry Public Company Limited
Other position, present Director
  • Thai National Shippers’ Council
  • Thailand-China Business Council
  • Investor Club Association
Work experience
  • 1964 - 1966 Project Engineer, Telephone Organization of Thailand
  • 1967 - 1979 Supervisor, Project Manager, Ericsson Telephone Corporation Far East AB
  • 1980 - Apr 2012 Managing Director, Kulthorn Kirby Public Company Limited
  • May 2012 - May 2014 Chairman of the Executive Board, Kulthorn Kirby Public Company Limited
  • May 2014 - Apr 2015 Director, Kulthorn Kirby Public Company Limited
  • Apr 2015 - Present Chairman, Kulthorn Kirby Public Company Limited
  • 1982 - 1984 Director, Australian – Thai Chamber of Commerce
  • 1987 - 1988 Vice President, Australian – Thai Chamber of Commerce
  • 1988 - 1997 Chairman of the Executive Board, Thai Compressor Manufacturing Co., Ltd.
  • 1990 - 1997 Managing Director, Thai Sintered Products Co., Ltd.
  • 1997 - 2010 Chairman, Thai Sintered Products Co., Ltd.
  • 1990 - 2003 Managing Director, Kulthorn Electric Co., Ltd.
  • 1990 - Apr 2015 Chairman & Managing Director, Kulthorn Kirby Foundry Co., Ltd.
  • 1990 - Jul 2015 Chairman & Managing Director, Kulthorn Materials and Controls Co., Ltd
  • 1995 - Present Chairman & Managing Director, Super Alloy Technologies Co., Ltd.
  • 2004 - Apr 2015 Chairman & Managing Director, Kulthorn Premier Co., Ltd.
  • 2005 - Apr 2015 Chairman & Managing Director, Kulthorn Metal Products Co., Ltd.
  • 2007 - Apr 2015 Chairman & Managing Director, Kulthorn Steel Co., Ltd.
  • 2007 - Sep 2016 Chairman & Managing Director, Suzhou Kulthorn Magnet Wire Co., Ltd.
Member of Associations
  • 1997 - 2008 Director, The Federation of Thai Industries
  • 2002 - 2006 Chairman, Electrical & Electronics and Allied Industries Club, The Federation of Thai Industries
  • 1998 - 2007 Director, Electrical and Electronics Institute