Pieter 'Piet' Klijnveld, was a Dutch tax accountant who started a practice that after several mergers would grow into KPMG, one of the Big Four auditors along with Deloitte, Ernst & Young (EY), and PricewaterhouseCoopers (PwC).
Pieter 'Piet' Klijnveld (16 August 1874  9 February 1945) was a Dutch accountant who started a practice that after several mergers would grow into the international accounting firm KPMG. 
KPMG is a professional service company and one of the Big Four auditors, along with Deloitte, Ernst & Young (EY), and PricewaterhouseCoopers (PwC). 
