Mr. Mazumdar joined Brent Cook as co-editor and analyst of Exploration Insights in December 2015 and transitioned into the sole editor soon after. 

His previous experience includes six years as Senior Mining Analyst at Haywood Securities and Canaccord Genuity in Vancouver, five years as Director of Strategic Planning, Corporate Development at Newmont Mining (Denver), and over three years as Senior Market Analyst/CommodityTrader at Phelps Dodge (now Freeport McMoRan, Phoenix). Before becoming a mining analyst, he spent over a decade as an exploration geologist in different capacities for IAMGOLD, North Minerals, and RTZ in South America (Argentina, Chile, Peru, and Ecuador), MIM Exploration in Queensland, Australia, and Noranda and others in Western Canada (British Columbia, Yukon) and the Northwest Territories. He holds a BSc in Geology (1988) from the University of Alberta, an MSc in Geology and Mining (1997) from James Cook University (Queensland), and an MSc in Mineral Economics (2003) from the Colorado School of Mines.