Carol Layton was appointed Deputy Minister of Transportation on September 1, 2010.

Carol was formerly the Deputy Minister of the Ministry of Revenue – a role she assumed on July 21, 2008. Prior to that, she was Deputy Minister of the former Ministry of Public Infrastructure Renewal (PIR) from October 24, 2005 to July 2008.

Carol's first appointment as Deputy Minister was with the Ministry of Citizenship in 2003. Along with this appointment, she was the Deputy Minister Responsible for Seniors and for Women's Issues.

She also has held senior management positions in Cabinet Office, Management Board Secretariat, and the ministries of Health and Long-Term Care, Finance, and the Attorney General.

Carol is a past member of the Board of Directors of the Ontario Financing Authority (OFA) and its Audit and H.R. Committees.  She is a past president of The Institute of Public Administration of Canada (IPAC) (2006-2007) and remains a member of its Endowment Fund Committee.

Carol Layton is the recipient of the 2011 Lieutenant Governor's Medal of Distinction in Public Administration.

Carol holds an Honours Environmental Studies degree from the University of Waterloo and attended the Queen's University Public Executives Program.