Christian Sinclair was born and raised in Umpherville, near The Pas, MB and is a proud member of the Opaskwayak Cree Nation, Treaty 5 Northern Manitoba. He graduated from Margaret Barbour Collegiate Institute in 1988 and subsequently went on to serve in the Canadian military from 1988 to 1995, participating in two tours of duty in Cyprus (1990 Recon-2PPCLI) and Somalia (1992-93 2 Commando-Canadian airborne Regiment).
In 2002, Christian began working in the corporate sector with Indigenous groups across Canada, focusing on corporate development and positioning for major natural resource projects related to hydro, mining and oil and gas. He was the co-founder of the Manitoba Indigenous Summer Games in 1999 and General Manager for the 2002 North American Indigenous Games (NAIG) in Winnipeg. The event was the most successful NAIG ever hosted and ended with a surplus of over $1.3 million, which was the basis for a scholarship program for Manitoba Indigenous students that is accessed by youth to this day.  
In 2003 he was named as one of Canada’s Top 40 under 40, and between 2004 and 2014 he worked as an independent business advisor for various companies and communities including Tribal Council Investment Group (TCIG), the North American Indigenous Games with the Southern Ute Tribe, Denver, Colorado, Tataskweyak Cree Nation, Keeyask Hydro Dam in Northern Manitoba, and the Cree Regional Economic Enterprises (CREECO) in northern Quebec. The most successful First Nation Corporation in Canada at the time.
In 2014 Christian completed his Masters in Project Management from University of Winnipeg, as well as Negotiations and Leadership Certificate Program from Harvard Law School.  From 2014-2016 Christian worked as an independent business advisor.
 
In 2016, Christian was elected as Onekanew (Chief) for the Opaskwayak Cree Nation.  In 2019 he was re-elected, serving two terms, and achieving many successes during his tenure. The legacy is to be experienced by OCN for generations to come.  
In 2021 he was a Negotiator and Advisor to Marcel Colomb First Nation on the Lynn Lake Gold Mine Project; in 2022 a Negotiator and Advisor to Tataskweyak Cree Nation on the Keeyask Hydro Dam and future Economic Development Projects; as well as an Advisor to the Marten Falls First Nation on their Strategic Planning for the Ring of Fire in northern Ontario.
Christian serves as a Board member on the UCN Governing Council; serves as a Board member of High Tide Cannabis trading on the Nasdaq and TSX (2019- present); and is presently operating as Christian Sinclair Consulting Services and serving on numerous boards and committees.
Today, Christian works with First Nations and Provincial and Federal leaders as an advisor and negotiator.  With a wealth of knowledge and his experience earned on the battlefield and in the corporate boardroom, Christian is a highly sought-after negotiator and project manager.  He bridges the needs of industry and traditional land rights holders into mutually beneficial win-win opportunities for sustainable prosperity and lasting business partnerships for all involved for future generations.