Donald Bubar
Photo Credit: Andrew Bubar

Donald Stephen Bubar, MSc'81, long-time President and CEO of Avalon Advanced Materials Inc., passed away in his home on July 30, 2023, at the age of 68.  

The Bubar family has a strong connection with Queen鈥檚 Department of Geological Sciences and Geological Engineering. Don graduated with an MSc in Mineral Exploration in 1981. He was married to Marcia Mazurski who completed an MSc in Geology in 1982. Their son Andrew Bubar completed an MSc in 2019 under the supervision of Dr. Heather Jamieson.

Don was known as a visionary who recognized years before most others the importance of critical minerals for the Canadian economy. He also advocated for greater and earlier engagement with Indigenous communities through the PDAC and Avalon.

A full description of Don鈥檚 contributions to geology and mining can be found at .

Friends and colleagues are welcome to attend a celebration of life for Bubar at PJ O鈥橞rien Irish Pub & Restaurant, in Toronto on Oct. 5 from at 3 p.m.