After university, he pursued a career as a playwright, his most notable play being
Mayonnaise, In January 2014, Ibbitson began a one-year leave of absence from the
Globe to serve as a senior fellow at the
Centre for International Governance Innovation and to work on a biography of Prime Minister
Stephen Harper. His biography on Harper was published in August 2015. In 2016, the book won the
Shaughnessy Cohen Prize for Political Writing. In 2019, Ibbitson and Bricker co-authored the book
Empty Planet: The Shock of Global Population Decline. It was published separately in the United States, Great Britain, and Canada. It was also translated into Chinese, Spanish, Japanese, and Korean. == Personal life ==