Sara Mainville

Partner

(416) 981-9354
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Sara Mainville is a Partner at OKT.

Sara works with First Nations as legal counsel, strategic advisor and negotiator.

Ms. Mainville brings a diversity of experience as a lawyer for First Nation governments and political advisor to Indigenous political organizations and leadership. Sara’s strength is engaging provincial and Federal governments in bilateral/trilateral negotiations around difficult issues.

Sara Mainville has a Bachelor of Management from the University of Lethbridge and a LL.B. from Queen’s University and Sara chose to article at Ecojustice Canada.  In addition to her legal practice, Sara has earned a LL.M from the University of Toronto and was awarded the June Callwood bursary for graduate studies in 2006-2007. Sara Mainville’s thesis, “An Anishinaabe Perspective of Treaty #3” was the beginning of a lifetime of study by her regarding Treaty #3 and Indigenous jurisdiction’s important place in reconciling Indigenous sovereignty in Canada. 

Throughout her legal career, Sara has been committed to give back to her community of Couchiching First Nation. Sara has represented Couchiching as a lawyer, helped community members with sentencing submissions, and was elected a Councillor in First Nation government. In 2014, Sara was elected Chief of Couchiching First Nation. During that term she ensured that the First Nation had strong policy going forward, a good social media presence to engage the many off-reserve members in community affairs and she started the Wasaw group of companies. Sara was also very active as a political leader in the Grand Council Treaty #3 and Chiefs of Ontario committees.

Sara Mainville is very proud of her participation in the negotiations that led to the creation of the First Nation Sovereign Wealth LP (FNSWLP), a partnership of 129 First Nations in Ontario.  Directed by a Chiefs’ Committee on Energy, Sara was active in the negotiations that resulted in the commercial transaction between the Province of Ontario and the FNSWLP of 14 million Hydro One shares and $29 million in seed capital to facilitate long-term wealth creation for the partnering First Nations.  The lengthy discussions to transaction closing were completed between October, 2015 to the final days of December, 2017.

In 2015, Sara was named to the Multi-Interest Advisory Committee for the Federal EA Review process by the Assembly of First Nations. In 2018, Sara will be featured as the expert in APTN’s FutureHistoryTV.ca episode 10 on “Justice”.  Sara Mainville is well regarded by governments and First Nation leaders as a strategic thinker and negotiator.

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