Iain grew up in Timberlea, formally from Mabou, Nova Scotia. Before entering politics in 2013 Iain gained experience working as an operations manager, and business analyst Iain was Director of Operations for Dymon Storage Corporation, in Ottawa, Ontario. After moving back to Nova Scotia, in 2011, Iain successfully managed the launch of Premiere Self Storage in Burnside Business Park, and went on to work as a Project Manager in the commercial division of Armco Capital, focusing on redevelopment assignments in Nova Scotia, Quebec, and Florida. While serving as the MLA for Timberlea-Prospect Iain previously served as the Government Caucus Chair, Vice Chair of the Public Accounts Committee, Chair of the Nova Scotia section of the Assemblée Parlementaire de la Francophonie, and as Minister of the Environment. He currently serves as the Minister of Lands and Forestry and is a member of the Treasury and Policy Board.