Lobbying registry, City of Toronto
DIAMOND Corp
Since November 2025, 22 lobbying communication reports name DIAMOND Corp, the most recent dated September 21, 2026. The institutions named most often: Cllr Colle (7), Councillor Mike Colle (6) and Cllr Mike Colle (5).
- Reports in the last 24 months
- 54
- Reports in the last three months
- 1
- Institutions contacted
- 11
What it lobbies on
The subjects named most often in its communication reports.
- Planning and Development Application, Official Plan43
- Planning and Development, Combined Application24
- Planning and Development, Rental Housing Demolition or Conversion24
- Planning and Development Application, Zoning By-law21
- Planning and Development Application9
- Zoning By-law5
- Planning and Development Application, Site Plan2
Policy areas
Its registry subjects, grouped by policy area. Each area lists the bills tagged to it.
Who it met
Designated public office holders named in its reports, with their title from our list of officials or from the report.30 of 41 shown
Monique Lisi
Staff of Member of CouncilCouncillor Crawford Office
Paula Fletcher
CouncillorWard 14 Toronto-Danforth
Geno Orsi
Staff of Member of CouncilCouncillor Palacio Office
Andy Stein
Staff of Member of CouncilCllr Colle
Susan Serran
Staff of Member of CouncilCouncillor Paula Fletcher
Brandon Leal
Staff of Member of CouncilOffice of Councillor Bailao, Ward 9
Casey Richardson
Staff of Member of CouncilCllr Colle
Joe Cressy
CouncillorWard 10 Spadina-Fort York
Gary Crawford
CouncillorWard 20 Scarborough Southwest
Teresa Morante Arona
Staff of Member of CouncilCllr Colle
Josh Matlow
CouncillorWard 12 Toronto-St. Paul's
Mike Colle
CouncillorWard 8 Eglinton-Lawrence
Parthi Kandavel
CouncillorWard 20 Scarborough Southwest
MPPOntario
Cesar Palacio
CouncillorWard 17 Davenport
Matt Cook
Staff of Member of CouncilCouncillor Morley
Lisa Iozzo
Staff of Member of CouncilCllr Mike Colle
Ausma Malik
CouncillorWard 10 Spadina-Fort York
Ana Bailão
CouncillorWard 18 Davenport
Amber Morley
CouncillorWard 3 Etobicoke-Lakeshore
Zara Ahmed
Staff of Member of CouncilCouncillor Gary Crawford
Mark Grimes
CouncillorWard 3 Etobicoke-Lakeshore
Bushra Mir
Staff of Member of CouncilCouncillor Joe Cressy
Frances Nunziata
CouncillorWard 5 York South-Weston
MPCanada (Federal)
Sam McGarva
Staff of Member of CouncilCouncillor Morley
Joe Mihevc
CouncillorWard 10 Spadina-Fort York
Michael Vieira
Staff of Member of CouncilOffice of Councillor Bailao, Ward 9
Michael Giles, Exec Asst
Staff of Member of CouncilCouncillor Holland
Catherine LeBlanc-Miller
Staff of Member of CouncilCllr Paula Fletcher
11 more officials are not listed here.
Recent communication reports
Each report is filed with the registry. It records a contact, not a position.
By Michelle Corcoran
On Planning and Development Application, Official Plan; Planning and Development, Combined Application; Planning and Development, Rental Housing Demolition or Conversion
With Councillor Mike Colle
View in the registryBy Michelle Corcoran
On Planning and Development Application, Official Plan; Planning and Development, Combined Application; Planning and Development, Rental Housing Demolition or Conversion
With Councillor Mike Colle
View in the registryBy Michelle Corcoran
On Planning and Development Application, Official Plan; Planning and Development, Combined Application; Planning and Development, Rental Housing Demolition or Conversion
With Councillor Mike Colle
View in the registryBy Tyler Diamond
On Planning and Development Application; Zoning By-law
With Councillor Morley
View in the registryBy Lauren Tollstam
On Planning and Development Application; Zoning By-law
With Councillor Morley
View in the registryBy Michelle Corcoran
On Planning and Development Application, Official Plan; Planning and Development, Combined Application; Planning and Development, Rental Housing Demolition or Conversion
With Councillor Mike Colle
View in the registryBy Michelle Corcoran
On Planning and Development Application, Official Plan; Planning and Development, Combined Application; Planning and Development, Rental Housing Demolition or Conversion
With Councillor Mike Colle
View in the registryBy Michelle Corcoran
On Planning and Development Application, Official Plan; Planning and Development Application, Zoning By-law
With Councillor Mike Colle
View in the registryBy Michelle Corcoran
On Planning and Development Application, Official Plan; Planning and Development Application, Zoning By-law
With Councillor Colle
View in the registryBy Stephen Diamond
On Planning and Development Application, Official Plan; Planning and Development Application, Zoning By-law
With Cllr Colle
View in the registryBy Madison Isaacman
On Planning and Development Application, Official Plan; Planning and Development Application, Zoning By-law
With Cllr Colle
View in the registryBy Stephen Diamond
On Planning and Development Application, Official Plan; Planning and Development Application, Zoning By-law
With Cllr Colle
View in the registryBy Michelle Corcoran
On Planning and Development Application, Official Plan; Planning and Development Application, Zoning By-law
With Cllr Colle
View in the registryBy Michelle Corcoran
On Planning and Development Application, Official Plan; Planning and Development Application, Zoning By-law
With Cllr Mike Colle
View in the registryBy Michelle Corcoran
On Planning and Development Application, Official Plan; Planning and Development Application, Zoning By-law
With Cllr Mike Colle
View in the registry
Registered lobbyists
Registrations that name this organization as the client.
- View in the registry
Stephen Diamond
DIAMOND Corpin-house10 registrations
About this data
These are contacts reported to the lobbying registries. They do not measure influence or results, or show a position on any bill. Registries for this organization: City of Toronto.
Registry data as of October 19, 2026.
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