Before joining the Trump Administration, Liddell served as vice chairman and chief financial officer at General Motors, chief financial officer and senior vice president of Microsoft Corporation, and chief financial officer of International Paper (IP).
In New Zealand, Liddell headed up the then IP-controlled Carter Holt Harvey.
Liddell, dual citizen of the United States and New Zealand, holds a Bachelor of Engineering from the University of Auckland and a Master of Philosophy from Oxford University.
Angel Gurría is current OECD secretary general, and is in his third five-year mandate, having been appointed in June 2006.
Founded in 1961, the OECD is a global organisation with 37 member states that works to promote policies that will improve the economic and social wellbeing of people around the world.