John Sim

Professional Experience

John has over 40 years experience in the accounting profession, most of them with KPMG in the UK, US, Middle East, Singapore, Taiwan and Thailand. He established PKF Thailand in 2012 and for 6 years was the Global CEO of PKF International. He has been based in Thailand since 2001.

  • Partner in KPMG US firm 1986 to 2001
  • Regional Executive Partner for KPMG Asia Pacific 1992 to 2001
  • CEO KPMG Vietnam, Cambodia and Laos 1997 to 2003
  • Regional Executive Partner and COO KPMG Thailand 2001 to 2012
  • CEO PKF International 2013 to 2019
  • Chairman PKF Thailand 2012 –


Industry Expertise

  • Hospitality
  • International Schools
  • Manufacturing
  • Electronics
  • Consumer Goods

Professional Qualifications

  • MA In Economics (University of Cambridge)
  • Chartered Accountant (Scotland)
  • Certified Public Accountant (Colorado)