Treaty Commission staff come from a wide range of backgrounds and specialize in a number of areas. Click on the photos below to learn more about our team.

Mark Smith
General Counsel and Director of Process

Mark is General Counsel and Director of Process, he joined the Treaty Commission in 2001. Mark provides legal, political, and strategic policy advice on the protection and recognition of Aboriginal title and rights. He leads complex facilitation of negotiations, and intergovernmental initiatives to improve processes to achieve reconciliation amongst governments and Indigenous Nations. He is dedicated to Indigenous rights recognition, governance-building and inter-nation dispute resolution processes. Mark has been a key contributor to the Treaty Commission’s international work reinforcing the importance of the UN Declaration on the Rights of Indigneous Peoples to negotiations between state and Indigenous Nations.

A graduate from the University of Alberta Law School, Mark was called to Alberta Bar, and is currently a member of the Law Society in British Columbia. Mark has focused his career on Aboriginal law and First Nations issues. Mark previously was a sole-practitioner, and has practiced Aboriginal and environmental law with the firm of Blake, Cassels & Graydon LLP. He is completing a Master of Laws at the University of British Columbia focusing on First Nations legal issues. 

Tenisha Williams

Tenisha is the Office Manager and joined the Treaty Commission in 2011. In her role, she manages the office operations, implementing policies and procedures, and oversees organizational efficiencies and manages relationships with vendors and service providers. Tenihsa also advises on human resources management and employee relations. 

Previously she worked for the Public Service Commission of Nova Scotia, Capital District Health Authority and ExxonMobil Canada in administration, human resources, and special projects.

Tenisha graduated from Eastern College with an advanced human resources management diploma excelling in compensation, benefits management, and employee relations. She is a member of the Chartered Professional in Human Resources Canada.

Sashia Leung
Director of Communications and International Relations

Sashia is the Director of Communications and International Relations and joined the Treaty Commission. She joined the Commisison in September 2012, previous roles include Associate Director of Process and Process Advisor. In her Director role, she manages the public information and education mandate of the Treaty Commission and leads the international work to support the implementation of the United Nations Declaration on the Rights of Indigenous Peoples through the negotiations of modern treaties and agreements.

Since joining, she has extensive experience in facilitation, including negotiations and community engagement. Sashia also oversees the development forums and special projects including: First Nations governance initiatives, ratification processes, community engagement, and capacity-development. She has over 15 years’ experience working with Indigenous communities in BC and is proud to be of mix heritage, Wet'suwet'en and Chinese from the community of Wiset, in northern interior BC. Sashia works at the international level, including supporting Expert Members as well as advocating for the promotion and protecting of Indigenous rights and title through participation at the UN Permanent Forum on Indigenous Rights and the Expert Mechanism on Rights of Indigenous Peoples.

She holds a BA in political science with a focus on First Nations studies from the University of British Columbia. Sashia is a Banff Forum member, and alumna of the Governor General's Canadian Leadership Conference. She has served on a variety of boards and committees, and currently serves the Nicola Valley Institute of Technology Board of Governors, which is the only Indigenous Post-Secondary Institution in BC.

Angel Grenkie

Angel is the welcoming face in the office, Receptionst, and joined the Treaty Commission in May 2016. She supports the admistration functions of the organization and has supported special projects and coordination of operations. Previously she worked in hospitality as an assistant manager. Angel is a member of the Wet'suwet'en Nation. 

Stephanie Gustin

Stephanie is the Senior Research Analyst and ATIP Lead. She joined the Treaty Commission in November 2018, and researches matters related to the treaty negotiations and rights recognition, facilitates negotiations, supports special projects, and assists with public education and information initiatives. Stephanie also maintains and coordinates the information and data management, including access to information and privacy (ATIP) and archival requests.

Stephanie has worked as a research assistant for Indigenous and Northern Affairs Canada and the Department of National Defence. She holds an MA in Dispute Resolution from the University of Victoria. Her thesis explored the use of mobile online dispute resolution tools and virtual mediation systems in government offices, and their impacts on relational aspects of dispute resolution. Her research has been published in the International Journal of Online Dispute Resolution.

Carmen Watson

Carmen supports public information and education in her role as Communications Advisor. She joined the Treaty Commission in June 2019, supporting the facilitation of negotiations as Process Advisor. Carmen continues to support communications and process initiatives, including forums and gatherings focusing on key topics of Indigenous rights recognition. 

She has a BA (Hons.) in History and International Relations, and is pursuing her MA in History at UBC, with an emphasis on Indigenous women's roles in defining the 20th century concepts of sovereignty. Some past research projects of hers include: the emergence of Chinese-Canadian identities during the BC gold rush era, Indigenous nationhood against the backdrop of the Quebecois separatist movement, and the relationship between Indigenous women, children, and the nation.

Carmen has co-hosted a podcast, and currently serves on the board of directors for a local theatre company, while also supporting bilingual diversity, equality and inclusion efforts. She has lived in BC, Alberta, Saskatchewan, Ontario, Quebec, and the Northwest Territories, and now calls Vancouver home.

Danni Olusanya

Danni is a Process Analyst and joined the Treaty Commission in November 2021. In her role, she supports the facilitation of negotiations of modern treaties and agreements, and also researches matters related to treaties and agreements, negotiations, and Indigneous rights recognition. Danni also supports special projects and public information and education engagements.

She holds a BA in History with a minor in Gender, Race, Sexuality and Justice from the University of British Columbia. She served as Co-President of the UBC Black Student Union and as Culture Editor for The Ubyssey, she was the first Black woman on the editorial board in the newspaper's 103-year history. Danni currently serves on the board of the Canadian Youth Journalism Project.

Dean Seskin

Dean is a Process Analyst and joined the Treaty Commission in April 2022. In his role, he supports the facilitation of negotiations and researches matters related to the treaties and agreements, negotiations, and Indigenos rights recognition. Dean also supports special projects and public information and education engagements.

He holds a BA in Political Science with a minor in Economics from the University of Victoria. Dean is a recipient of the Vancouver Police Board’s Award for Merit for his actions to quell violence during the 2011 Stanley Cup Riot. Dean was also a volunteer member of the Juan De Fuca Ground Search and Rescue Team.

Savannah Minoose

Savannah is a Communications Advisor and joined the Treaty Commission in October 2022. As an advisor, she supports the Treaty Commission’s communication mandate of educating the public and providing information about treaty negotiations, First-Nations, Indigenous rights and self-governance.

Savannah’s professional and academic career has been committed to amplifying Indigenous knowledge and serving Indigenous communities using digital media and data-driven strategy. She has a background in journalism, digital marketing, and communications.

Savannah is Cree and Metis, raised in Kikino Metis Settlement and Cold Lake First Nation in Treaty 6 Territory, and now resides in Vancouver, BC.

Carmen Lee

Carmen is a Funding Analyst and joined the Treaty Commission in November 2021. In her role, she supports the funding mandate of the Treaty Commission to support First Nations' participation in negotiations. Carmen supports First Nations with executing and monitoring compliance of Negotiation Support Funding Agreements.

She has over 20 years of experience in accounting and is a designated Chartered Professional Accountant. Carmen holds two undergraduate degrees, Business Administration from Simon Fraser University, and Bachelor of Arts in Psychology from the University of British Columbia.

Vincent Leung

Vincent is a Funding Analyst and joined the Treaty Commission in March 2022. In his role, he supports the funding mandate of the Treaty Commission, liaises with First Nations, and monitors compliance and executes First Nations Negotiations Support Funding Agreements. 

He has over 18 years of experience in accounting and is a Certified General Accountant. Vincent also holds a Bachelor of Commerce and Business Administration from the University of British Columbia.

Lindy Provost

Lindy Provost joined the Treaty Commission in April 2019.  In her role, Funding Assistant, she provide support to the Funding Analyst and Director of Funding for all execution and monitoring of the First Nation Negotiations Support funding agreements. Previously she worked in public service at the provincial and federal levels and has experience in the agricultural sector with overseas exportation.

Lindy is a member of the Piikani Nation in Southern Alberta which is part of the Blackfoot Confederacy and a proud mother of two. She holds a general studies diploma with sociology as the main focus of studies.


700-1111 Melville Street
Vancouver BC
V6E 3V6
604 482 9200

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