Tammy Cook-Searson
Board Member
Tammy’s leadership experience serving her local Indigenous community in northern Saskatchewan and as president of the entity that manages her band’s economic and development activities provides a rich, valuable and unique perspective to Cameco’s board and as a member of the Safety, Health and Environment Committee and the Technical Committee.
Key Skills and Experience
- Stakeholder and rights holder relations
- Executive leadership and strategy
- Governance
- People, compensation, talent and culture
- Business growth and transformation
Biography
As of April 2, 2026
Tammy Cook-Searson is Chief of the Lac La Ronge Indian Band and the president of Kitsaki Management Limited Partnership, the entity that manages the band’s economic development activities. Tammy was the band’s first woman chief when she was elected in 2005 and, prior to being elected chief, she served on the band’s council. She has more than 25 years of leadership, business development and management experience in northern Saskatchewan where some of Cameco’s key assets are located.
Tammy holds a master of business administration degree and a graduate diploma in management from Athabasca University. She also holds honorary degrees from the University of Regina, the Saskatchewan Indian Institute of Technologies and Saskatchewan Polytechnic. Tammy brings extensive leadership, community relations and development experience to the board, which includes finding solutions for social challenges and advocating for Indigenous issues. Her efforts have been recognized with many awards and medals, including the Indigenous Women in Leadership Award from Canadian Council of Aboriginal Business in 2021, the Canadian Armed Forces Special Services Medal in 2020 and the Queen Elizabeth II Diamond Jubilee Medal in 2012.
Tammy is board chair of Saskatchewan Indian Gaming Authority (SIGA) since 2025 and serves the Saskatchewan Indigenous community in many capacities. She is a member of the boards and commissions of Prince Albert Grand Council, Federation of Sovereign Indigenous Nations, Assembly of First Nations and the Virtual Health Hub of Saskatchewan. She serves on the board of the Saskatoon Airport Authority.
Board and Committee Membership and Attendance
As of December 31, 2025
| 2025 Attendance | ||||
|---|---|---|---|---|
| 2025 Voting Results | Board and Committee Membership | Regular | Special | Overall |
| 72,363,467 votes (99.58%) for 304,720 votes (0.42%) against | Board of directors | 8 of 8 | 3 of 3 | 100% |
| Safety, health, and environment | 3 of 3 | 100% | ||
| Technical | 3 of 3 | 100% | ||
Other Public Company Boards in the Past Five Years
| None |
Securities Held
As of December 31, 2025
| Year | Cameco Shares | DSUs | Total Shares and DSUs | Market Value of Shares and DSUs1 | Multiple of 2025 Annual Retainer (at market value) | Deadline to Meet Share Ownership Guideline2 |
|---|---|---|---|---|---|---|
| 2025 | - | 7,496 | 7,496 | $ 942,075 | 3.2x | Yes |
| 2024 | - | 4,014 | 4,014 | $ 296,664 | ||
| Change | - | 3,482 | 3,482 | $ 645,411 |
1 Based on total holdings calculated using $125.68 for 2025 and $73.91 for 2024, the closing prices of Cameco shares on the last trading day of the year on the TSX.
2 For evaluating compliance with Cameco’s share ownership guidelines, Tammy’s DSUs held on December 31, 2025, are valued at $942,075 and represent 3.2x the board member retainer of $290,000.