Most Worshipful Brother Donald Carter Ross was born in Montreal, Quebec on February 7, 1944 and received both his elementary and secondary education there. He graduated from Sir George Williams University with a Bachelor of Commerce degree in 1966.

He joined The Royal Bank of Canada and remained in its employ until April 1983. He subsequently joined the Bank of Montreal and then Canadian National Railway in April 1985. He served in the Information Technology departments of these companies for 38 years, retiring in 2004. Bro. Ross is widowed from his wife of 31 years, Victoria Wasbroad with whom he had two children a daughter Jennifer who is a family physician and a son Stephen an environmental specialist who is also a member of the craft. Bro. Ross is an avid curler and golfer being a Past President of the Pointe Claire Curling Club and Past Captain and Club Champion of the Beaconsfield Golf Club where he obtained 50 years of membership in 2009. He was a fourth generation member of the Dominion Douglas United Church, Westmount, Quebec and a current member of the Cedar Park United Church in Pointe Claire since taking up residence there in 1972. His Masonic career began in 1967 in The Royal Edward Lodge No. 90 where he, his grandfather (the founding Secretary of the lodge), his father and his brother have all served as Worshipful Master, Bro. Ross in 1973. He served as Secretary and Treasurer of the lodge for a period of 14 years and as Treasurer of the Seventh Estate Inc. for 3 years. He was installed as District Deputy Grand Master of Montreal District No. 1 in 1983. He has served as a member of the Finance 1980-87 and Lodge Buildings 1978-79 Committees of Grand Lodge. He continues to serve as the Grand Representative to the Grand Lodge of Arizona near the Grand Lodge of Quebec. In 1990 he was elected a Director of the Masonic Foundation of Quebec and served the office of President from 1993-2000 and in 2003. He was elected as Deputy Grand Master of the Grand Lodge of Quebec on May 26, 2007. He is a member of the Ancient and Accepted Scottish Rite, Valley of Montreal and served as Most Wise Sovereign of the Hochelaga Sovereign Chapter of Rose Croix in 1991-92. He was coroneted an Honorary Inspector, 33° in Saskatoon, Sask. in 1992. He was appointed Grand Secretary for the Valley of Montreal in 2004. Bro. Ross joined Mount Lebanon Lakeshore Chapter R.A.M. on Sept 25, 2007. He was admitted a member of the Royal Order of Scotland in May 1989 and Karnak Temple of the Ancient Arabic Order of the Nobles of the Mystic Shrine on November 23rd, 2007. He was installed Grand Master of Masons of Quebec on May 30, 2009.