We move our clients Upstream.

Full-Service Public Relations since 1994

We are campaigners and storytellers who simply love to win.

Upstream Strategy Group is a full-service government relations, public relations, and strategy firm. Upstream provides a range of tailored services to a variety of corporate and public sector organizations from coast to coast.  

Upstream amplifies your message, frames the debate, and activates new stakeholders. With a strong roster of communications, data and campaign professionals, we move clients Upstream against the currents of media coverage and government decision making. 

The Upstream team seamlessly bridges the gap between industry and government, by using the latest technology and platforms alongside tried-and-true communication methods to reach our clients goals. Upstream speaks the language of government at all levels, we always work to find solutions where everyone can win. Our clients have included everything from startups to fortune 500 companies.

Michael Diamond

Founding Principal

Michael Diamond is a campaign strategist and political commentator who has served as a senior advisor to politicians and political parties across Canada.

Having worked on over twenty political campaigns in five provinces, Michael is a specialist in grassroots engagement who has helped leverage the power of stakeholders for well-known clients in Canada, the US, and Australia.

Among his more noteworthy accomplishments, Michael served as the Director of Operations to Toronto Mayor Rob Ford in 2010, when he co-chaired the “get out the vote” effort, campaign manager for Doug Ford's successful 2018 Progressive Conservative Party leadership bid (the highest membership participation race in the party's history), and Campaign Director for the Progressive Conservative Party of Ontario’s 2018 general election campaign.

In addition to his government relations work, Michael is a regular contributor to Canadian media, where he offers his insights on politics and culture. Michael understands what it takes to win – both in political war rooms, and in the kitchen, where he enjoys being an amateur chef.

Chris Chapin


Chris Chapin is a political strategist, communications professional and digital expert. He knows the constantly changing media landscape, and what it takes to drive coverage and reach.  Chris specializes in breaking down complex messages into simple, shareable content that goes viral online.

Chris has over a decade of political experience having worked in senior roles provincially at Queen’s Park, and has managed campaigns at all three levels of government. He has served as the Digital Director to Political Parties and Leadership Candidates.

Chris is a familiar voice in Canadian media, as a regular panelist on NEWSTALK 1010 in Toronto.

In his spare time, if Chris isn’t trying to win a campaign, he’s likely trying to beat his best score on the golf course, or outdo Michael in the kitchen.

Patrick Tuns


With over a decade of experience in Canadian politics and an array of domestic activation campaigns successfully executed, Patrick ensures that grassroots activists connect with like-minded Canadians to more effectively voice their concerns to their elected representatives.

Patrick’s love and passion for politics has taken him across Canada as a volunteer, campaigner, activist, and consultant, even doing a brief stint as a lobbyist at the United Nations during his time at the University of Toronto.

He has served as a political staffer at both Toronto City Hall and on Parliament Hill and served as the Executive Assistant to Parliamentary Secretary to the Minister of Veterans Affairs Parm Gill as well as working for Labour and Natural Resources Minister Lisa Raitt.

Patrick recently served as the Deputy Campaign Manager for the Doug Ford Leadership race and Deputy Campaign Director and Get Out The Vote Manager of Premier Doug Ford and the Ontario PC’s provincial election campaign.

Brooklyn Mattinson

Senior Consultant

Brooklyn has provided strategic communications advice and media relations support at both the federal and provincial level, developing extensive creative experience in digital marketing, campaign management and content creation/strategy.

Her work has included the Kellie Leitch (Conservative) and Doug Ford (PC) leadership campaigns.

At Upstream, Brooklyn provides clients with a range of public affairs services. Prior to joining Upstream, Brooklyn worked at a government relations firm where she acted on behalf of a number of clients in various sectors (including agriculture and healthcare) to provide government relations support and strategic advice.

Previously, she worked in Ottawa as a legislative advisor to three Conservative Members of Parliament. Through her time working on Parliament Hill, Brooklyn garnered skills in crisis communications and engagement, legislative planning, event planning, media monitoring, stakeholder mapping and research.

Brooklyn is an active volunteer in her community, volunteering at Circle of Care: Sinai Health System and the Shoebox Project.

Greg Kourtoff

Operations Manager & Senior Digital Advisor

Greg is a communications strategist and branding professional who has worked with a wide variety of public and private sector organizations across Canada. With a passion for technology and the environment, Greg has developed many successful media and government relations campaigns that deliver results for clients.

Having been responsible for many roles, including campaign strategy, campaign management, media distribution, media and client relations, social media management and graphic/web design, Greg is known for his ability to provide insightful analysis on current issues and for his deep understanding of how to influence a range of audiences.

Greg has a bachelor of Political Science from Western University. His past work experience includes working at the Ontario Sustainable Energy Association (OSEA) and as the Creative Coordinator at a boutique environmental communications firm. In his spare time, Greg enjoys cooking and finding ways to extend his life.