/ Leadership

Leadership

Vicky Peacey

Vicky Peacey

President and General Manager

Vicky comes from a mining family- her father, sister, brother-in-law, and her husband are all miners. She attended the University of Western Ontario, where she received a Bachelor of Science Degree in Applied Geoscience and a Master of Science Degree in Civil & Environmental Engineering. From 2010 to 2021, Peacey was the Senior Manager Permitting and Approvals at Resolution Copper. She managed all federal, state and local agency approvals, agreements and permits and makes sure that the company is sensitive to the environment and cultural heritage. She has been with Rio Tinto since 2002.

Sterling Hundley

Sterling Hundley

Financial Operations Officer

Sterling oversees Resolution Copper’s financial planning, reporting, accounting, treasury and other commercial aspects of the business. He has been with Resolution Copper since 2006 and has over three decades of finance experience, including 16 years in the oil & gas industry with ConocoPhillips where he led financial reporting activities for the company’s Risk Management and Remediation team. Sterling is a certified public accountant and holds a Bachelor of Science in Finance from Arizona State University.

Curtis Thomas

Curtis Thomas

General Manager – CSP, Cultural Heritage, and Permitting

With over 20 years of experience in corporate communications, stakeholder management, and social performance, Curtis is renowned for his strategic approach to fostering community partnerships and sustainable development on large complex projects. His career highlights include leading corporate affairs at Shell Polymers and BP America, managing significant social investment budgets, negotiating stakeholder agreements, and working on the ground in rural communities across America to advance transparent two-way dialogue and mutually beneficial partnerships.

Curtis’s leadership will advance our mission and strengthen relationships with local communities and stakeholders. We are excited about the positive impact he will have as he leads our Communities and Social Performance, Permitting and Native Affairs teams.

Rob Tobin

Rob Tobin

Manager, Underground Operations & Maintenance

Rob leads the Underground Operations & Maintenance Team, which is responsible for maintaining and operating the underground critical assets. Before joining Resolution Copper, Rob worked for Cementation on shaft sinking projects in Timmins Ontario Canada, Sudbury Ontario Canada, and 10 Shaft at Resolution Copper as an Electrical Superintendent. He has a Business Administration and Marketing Diploma from Canadore College, and an Electrical Engineering Technologist Diploma from Cambrian College. Rob has been with Resolution Copper since 2017.

Brad Lingard

Brad Lingard

Business Partner, Health, Safety, Environment & Security

Brad leads the Resolution Copper Health, Safety, Environment & Security team supporting the plan to permit and build a safe and environmentally sensitive mine. Before joining Resolution Copper, Brad led HSE teams at other Rio Tinto operations and projects in the US, Peru & Australia and has been with Rio Tinto since 2001.

Tyson Nansel

Tyson Nansel

Principal Advisor, Communications

Tyson manages Resolution Copper’s internal and external communications. Before he came to Resolution Copper, Tyson was the Vice President of External Affairs for the United Food Bank in the metro Phoenix Area. He has been with Resolution Copper since 2022 and has over 10 years of experience working in Communications and Public Relations. Tyson has a bachelor’s degree in Communications from Arizona State University and is an Arizona native.

Our Work

$2 Billion Invested for a Smarter, Stronger Copper Future

At Resolution Copper, we’ve reached a major milestone: over $2 billion invested in developing and permitting one of the most important copper projects in the United States. This number tells a bigger story — one of progress, partnerships, and purpose.

Mother. Daughter. Miners. A Legacy Built in Superior.

At Resolution Copper, mining isn’t just about the rock we move, it’s about the people who move it. And this Mother’s Day, we’re proud to spotlight two of those people: Jessica and Sabrina Castillo. A mother-daughter duo with deep roots in Superior, Arizona, these two powerhouse women are proving that mining, family, and community can go hand in hand - hard hats and all.

The People Behind the Project

At Resolution Copper, mining isn’t just about extracting a resource—it’s about people. It’s about hometown pride, career growth, environmental stewardship, and creating opportunities right here in the Copper Triangle.

Cookies, Copper & Curiosity: Sparking STEM Learning

At Resolution Copper, we believe education is one of the most powerful tools to support and strengthen our communities—and we’re all in. Our latest Reading and Discovery Educational Initiative brought that belief to life in classrooms across the Copper Triangle.

Resolution Copper Welcomes Inclusion in Federal Transparency Initiative

Resolution Copper welcomes the White House’s announcement designating the Resolution project as part of the Federal Permitting Improvement Steering Council’s list of critical mineral “transparency projects.”

USFS Issues 60-Day Notice of Final Environmental Impact Statement Republication for Resolution Copper Project

Today, the United States Forest Service issued a legally required 60-day notice of the agency’s intent to republish a Final Environmental Impact Statement (FEIS) for the Resolution Copper project.

Geologist’s Perspective – The Resolution Ore Body

When Adam Schwarz first arrived at Resolution Copper in 2005, he didn’t need much convincing. One look at the core samples coming out of the ground—shimmering with high-grade copper minerals—and he was hooked. “That was the moment,” Adam recalls. “I knew this was where I wanted to be.”

Resolution Copper Presenting Partner of the annual Phoenix Global Forum

Resolution Copper, a prominent mining company, has announced its commitment as a presenting partner of the 2025 Phoenix Global Forum. It joins the City of Phoenix for the second-annual event, scheduled for April 8-9 at the Phoenix Convention Center.

Celebrating the Women Shaping the Future of Mining

At Resolution Copper, we know that mining isn’t just about extracting minerals — it’s about the people who power our work every day. This International Women’s Day, we’re proud to celebrate the incredible women of Resolution Copper and the wider mining industry who are breaking barriers, driving innovation, and leading the way for future generations.