B2B Growth News and Headlines

Substack Hires Former Google Exec as Its First Head of Partnerships in Canada

Substack has hired former Google Canada executive Mark Swierszcz as its first head of partnerships in Canada, reflecting the platform’s rapid organic growth north of the border. Canada is now Substack’s third‑largest market worldwide, with more than half a million paid subscriptions across thousands of local publications. Swierszcz will steer expansion and partner strategy, building on his experience at Google, YouTube, MTV and MuchMusic. The move follows Substack’s recent $100 million Series C round and signals a broader push into international markets.