Former Netherlands Prime Minister Jan Peter Balkenend will be appointed partner at Ernst & Young (E&Y) from 1 April.
Balkenende served as Prime Minister from 2002 until late 2010.
E&Y said Balkenende will work within its advisory services.
“He will play a leading role in Ernst & Young’s corporate responsibility initiatives in Belgium and the Netherlands as well as our service offerings in the same area to our clients,” the Big Four firm said.
“I am looking forward to working in the field of Corporate Responsibility and providing international advice,” Balkenende added.