Christopher Pell Liddell CNZM (born 24 April 1958) is a New Zealand-American businessperson who served as Chief Financial Officer of Microsoft, the Vice Chairman of General Motors, Senior Vice President and CFO of International Paper, Director and Chairman of Xero and the White House Deputy Chief of Staff in the Trump Administration. Liddell has been active in a number of philanthropic projects, mostly in his native New Zealand and in the 2016 New Year Honours, he was appointed a Companion of the New Zealand Order of Merit for services to business and philanthropy.