Charitydata has compiled CRA T-3010 returns from thousands of Canadian charities.
https://www.charitydata.ca
update: Search for any director
https://www.charitydata.ca/search/director/
The results may surprise you
Is David Suzuki and active board member of the Suzuki Foundation?
Is PM Justin Trudeau a current board member?
How about former Police Chief Richard Hanson?