Rio Tinto appoints Matthew Breen as the new Chief Operating Officer of Diavik diamond mine

Formerly the General Manager of Operations at Diavik, Breen brings two decades of operational leadership experience across various operations and geographies and will lead 1230 employees. He will succeed Angela Bigg in this leadership role

CANADA: Rio Tinto has appointed Matthew Breen as the new Chief Operating Officer of the Diavik diamond mine in Canada’s north-western territories, effective December 8, 2023. Formerly the General Manager of Operations at Diavik, Breen brings two decades of operational leadership experience across various operations and geographies. In his new role, he will guide the mine and its 1,230 employees through the next phase of development. 

Breen takes over from Angela Bigg, who, following a successful six-year tenure at Diavik, will be on leave before returning to Rio Tinto in a different leadership capacity.

Sinead Kaufman, Chief Executive, Rio Tinto Minerals, said, “I am delighted that Matt will be leading the team at Diavik Diamond Mine as it continues to supply our customers with high quality, responsibly sourced Canadian diamonds while preparing to leave a positive legacy in partnership with our community and government partners.” 

“I would like to thank Angela for her six years at Diavik, during which time she has shown strong leadership and care during challenging times,” Kaufman added.

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