Karen Karniol-Tambour is set to leave Bridgewater Associates after two decades with the hedge fund manager to become the inaugural chief executive of Canada's new sovereign wealth fund, the Canada Strong Fund, according to a report by Reuters.

Canadian Prime Minister Mark Carney announced the appointment on 9 November, bringing one of the world's most prominent institutional investment executives into a new national investment platform designed to support major domestic projects and companies.

The fund was launched in April with an initial endowment of C$25bn. It is intended to invest on commercial terms, providing capital for strategically important Canadian businesses and infrastructure while generating financial returns for the country.

Karniol-Tambour joined Bridgewater in 2006 and went on to become head of investment research in 2013, overseeing a team of more than 150 investment professionals working on global market research and systematic trading strategies. She became co-chief investment officer for sustainability in 2021 before being appointed co-chief investment officer in 2023.

Her departure represents a significant leadership change for Bridgewater, which manages approximately $102bn in assets. Chief executive Nir Bar Dea described the appointment as an opportunity for Karniol-Tambour to serve her home country, while acknowledging her contribution to the firm's development.

The Canada Strong Fund is intended to operate independently of day-to-day government oversight, with its own board and professional management structure. Under the plans outlined in Budget 2026, it will become an independent Crown corporation, initially operating as a wholly owned subsidiary of the Canada Development Investment Corporation.

The fund is expected to invest in major infrastructure and nation-building projects, as well as strategic Canadian businesses. Its mandate is designed to attract private capital alongside public investment and give Canadians a direct financial interest in the country's economic development.

A retail investment component is also planned, allowing individual Canadians to participate in investment opportunities traditionally associated with institutional investors.

For Karniol-Tambour, the appointment represents a transition from overseeing global investment strategies at a major hedge fund to building an investment organisation with a national economic mandate. Her experience in portfolio construction, global markets and systematic investment research will be central to establishing the fund's approach.

The appointment also highlights Canada's ambition to mobilise institutional capital towards domestic infrastructure and strategic industries, while maintaining a commercially focused investment framework.