President & CEO
David Miller was Mayor of Toronto from 2003 to 2010 and Chair of the influential C40 Cities Climate Leadership Group from 2008 – 2010. Under his leadership, Toronto became widely admired internationally for its environmental leadership, economic strength and social integration. He is a leading advocate for the creation of sustainable urban economies, and a strong and forceful champion for the next generation of jobs through sustainability.
In his former capacity as Counsel, International Business & Sustainability at Aird & Berlis LLP, he advised companies and international organizations on issues surrounding the creation of sustainable urban economies.
David Miller is a Harvard trained economist and professionally a lawyer. He and his wife, lawyer Jill Arthur, are the parents of two children.
Publications and articlesMiller, D.R. (2013). Climate Change is Hitting Big Cities. They Need to Take Action. The Globe and Mail, [online] 15 July.
Miller, D.R. ( 2012). How the Big Apple Became the Greenest City. The Huffington Post Canada, [blog] 17 April.
Miller, D.R. and Douglas Arrowsmith (2010). Witness to a City. Cormorant Books Inc., Toronto, Ontario.
LL.B., University of Toronto, Toronto, Ontario
AB, Economics (Honours, Magna cum laude), Harvard University, Boston, Massachusetts
STARTED AT WWF: 2013
FAVOURITE SPECIES: A golden-cockapoo named Jimmy, who can’t get enough of Toronto’s parks and ravines
LITTLE KNOWN FACT: David played rugby for 22 seasons, captaining his university team to the U.S. national championships
Most recent blog posts by David Miller
My first encounter with polar bears
Learn more about David Miller's first encounter with polar bears!
A winning year for workplace giving and green office champions!
2014 was a big year for WWF’s Living Planet at Work (LP@W) program. We saw new green champions rise to the challenge to reduce footprint at work, engage more of their colleagues, and raise significant funds for WWF.
Will this be the tile that sets off the domino effect?
New emissions reduction targets from US and China put the world on notice. What does this mean for Canada?