Derek Leask served in New Zealand's foreign ministry from 1969 to 2012. He was ambassador to the European Union in Brussels from 1994 to 1999, Deputy Secretary at the Ministry of Foreign Affairs and Trade in Wellington from 2004 to 2008, and New Zealand's High Commissioner to the United Kingdom (and Ambassador to Ireland) from 2008 to 2012. Leask was born in Wellington and has degrees from Victoria University of Wellington (BCA) and the University of Canterbury (MCom, Hons-Economics).