By Sam Laskaris Local Journalism Initiative Reporter, Windspeaker.com Sara Mainville has held many prestigious posts. The Anishinaabe lawyer, who has been a member of the Ontario bar since 2005, stepped up a decade ago to serve as the chief of Couchiching First Nation in northern Ontario. Mainville was elected to a two-year term in an election that followed the sudden passing of then chief Chuck McPherson. Mainville uses her law background and also her experience as a former chief to currently assist Indigenous communities with various forms of dispute resolution. Mainville is a managing partner of JFK Law, a national law firm operating primarily in B.C., but that also does work across the country. She was a panelist at the Prospectors & Developers Association of Canada conference that was staged…