Duncan joined Pacific Equity Partners in 2007. Prior to joining PEP, Duncan was a consultant with McKinsey & Company in New Zealand. In 2009, Duncan attended business school and spent the following four years with McKinsey & Company in the United States and Australia, before rejoining PEP in 2016. Duncan received an MBA with Honors from the Wharton School and a Bachelor of Commerce (Honours) from the University of Auckland.