Telesat appoints Donald Tremblay as new chief financial officer

Telesat appoints Donald Tremblay as new chief financial officer is profiled by BTW Media because published evidence links it to internet infrastructure, governance, operational dependencies, or market visibility.

• Tremblay to take over as CFO on 20 October 2025
• Outgoing CFO Andrew Browne credited with securing funding for Telesat Lightspeed

What happened

Telesat, one of the world’s largest satellite operators, has appointed Donald Tremblay as its new chief financial officer (CFO), effective 20 October 2025. Tremblay replaces Andrew Browne, who announced his retirement earlier this year after serving as CFO since 2019.

Tremblay joins the Ottawa-based company with more than 35 years of financial leadership experience, having previously held senior roles at Champion Iron, TransAlta, and Brookfield Renewable. At Champion Iron, he guided the miner’s financial strategy during a period of expansion. At TransAlta, he helped restructure the company’s balance sheet, while at Brookfield Renewable he played a role in boosting the firm’s market capitalisation from $300 million to over $2.5 billion.

Telesat president and CEO Dan Goldberg welcomed the appointment, praising Tremblay’s “extensive leadership experience, broad financial expertise, and deep understanding of capital markets.”

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Why it’s important

The appointment comes at a pivotal moment for Telesat as it seeks to strengthen its position in the competitive global satellite communications market. The company is advancing its Telesat Lightspeed project, a low Earth orbit (LEO) satellite constellation designed to provide global broadband connectivity. Securing financing and managing the capital-intensive nature of such infrastructure will be key challenges for Tremblay as CFO.

Browne, the outgoing finance chief, was instrumental in securing the initial funding for Telesat Lightspeed and in preparing the company for its public listing. His retirement marks the end of a career that included leadership roles at several major satellite operators.

Tremblay’s arrival signals continuity in financial discipline while potentially bringing fresh strategies for growth. With satellite broadband demand rising in both developed and emerging markets, his capital markets expertise will be central to supporting Telesat’s long-term expansion.