Donald Callahan, President & CEO, Guy Carpenter Canada
Based in Toronto, Don Callahan is President and CEO of Guy Carpenter Canada.  He is a member of the Board of Managers of Guy Carpenter and Company, LLC in New York.  Don joined Guy Carpenter in Toronto in 1999 and became CEO in 2002.  From 2006 to 2008, Don also took on the management of Guy Carpenter’s Latin American treaty operations including Mexico, South America and the Caribbean.  Prior to joining Guy Carpenter, he was Chief Operating Officer at Sedgwick Re Canada; Treaty Vice President at Skandia Canada Re (now Odyssey Re); and Treaty Manager for Canada at Mercantile and General Re (now Swiss Re).  He began his career at Royal Insurance in 1979.

Don is a graduate of Lower Canada College.  He holds a Bachelor of Arts degree with distinction from McGill University in Montreal, where he was a McGill University Scholar.  He is an FCIP and received the Lord Knolly Shield from the Canadian Insurance Institute as the top graduating Fellow in the country.