Ontario’s Big City Mayors (OBCM)
OBCM Mayors represent cities with populations of 100,000 or more
OBCM provides a voice for big city mayors in policy and program decisions that impact Ontario cities. Through policy development, advocacy, discussion and partnerships, Ontario’s Big City Mayors support strong and effective cities. Mayor Marianne Meed Ward, City of Burlington is the current Chair and Mayor Alex Nuttall, City of Barrie is the Vice-Chair.
OBCM Election Priorities - 2025 Provincial Election
What's New
Ontario’s Big City Mayors (OBCM) Launch Election Advocacy Campaign
BURLINGTON, ON - Municipalities are an integral part of the day to day lives of Ontario residents, and during this election we are working hard to...
Ontario’s Big City Mayors (OBCM) Discuss Election Priorities, Meet with Party Leaders and Pass Resolutions on Various Topics Including Tariffs and Police Funding
Ontario’s Big City Mayors (OBCM) Discuss Election Priorities, Meet with Party Leaders and Pass Resolutions on Various Topics Including Tariffs and...
Ontario’s Big City Mayors (OBCM) Statement on Release of Report – Municipalities Under Pressure: The Human and Financial Cost of Ontario’s Homelessness Crisis by the Association of Municipalities of Ontario (AMO)
January 10, 2025 Today the Association of Municipalities of Ontario (AMO) released their report Municipalities Under Pressure: The Human and...
Ontario's Big City Mayors

Mayor Shaun Collier
Town of Ajax

Mayor Alex Nuttall
City of Barrie

Mayor Patrick Brown
City of Brampton

Mayor Kevin Davis
City of Brantford

Mayor Marianne Meed Ward
City of Burlington

Mayor Jan Ligget
City of Cambridge

Mayor Darrin Canniff
Municipality of Chatham-Kent

Deputy Mayor Willie Woo
Municipality of Clarington

Mayor Cam Guthrie
City of Guelph

Mayor Andrea Horwath
City of Hamilton

Mayor Bryan Paterson
City of Kingston

Mayor Berry Vrbanovic
City of Kitchener

Mayor Josh Morgan
City of London

Mayor Frank Scarpitti
City of Markham

Mayor Gordon Krantz
Town of Milton

Mayor Carolyn Parrish
City of Mississauga

Mayor Rob Burton
Town of Oakville

Mayor Dan Carter
City of Oshawa

Mayor Mark Sutcliffe
City of Ottawa

Mayor Kevin Ashe
City of Pickering

Mayor David West
City of Richmond Hill

Mayor Mat Siscoe
City of St. Catharines

Mayor Paul Lefebvre
City of Greater Sudbury

Mayor Ken Boshcoff
City of Thunder Bay

Mayor Olivia Chow
City of Toronto

Mayor Steven Del Duca
City of Vaughan

Mayor Dorothy McCabe
City of Waterloo

Mayor Elizabeth Roy
Town of Whitby

Mayor Drew Dilkens
City of Windsor
ONTARIO’S BIG CITY MAYORS (OBCM)
GENERAL CONTACT
General: info@obcm.ca
Resolutions: info@obcm.ca