• Nuclear Waste Partnership celebrated our incredible workforce with our annual Summerfest on June 24th at the Carlsbad Waterpark. Our employees work ha...

  • WIPP’s Safety Block Party was welcomed back on May 11 with great participation from across the site. After a BBQ lunch in the truck bay, Safety Zone C...

  • Two Nuclear Waste Partnership employees were among the recent Tier-1 winners of Amentum’s 2nd Annual Athlon Awards, which are given for achieving the ...


Nuclear Waste Partnership’s mission is to serve our nation for future generations, while providing permanent nuclear waste solutions. Our core values of Safety, Ownership, Teamwork, Integrity, Respect and Continuous Improvement uphold our mission.


We are always on the look out for new team members.
Learn more about our career opportunities at the link below


Expertise and Reliability — Meet the NWP Team

Sean Dunagan Nuclear Waste Partnership

Sean Dunagan, President and Project Manager for Nuclear Waste Partnership, LLC, has more than 16 years of experience supporting the U.S. Department of Energy’s Waste Isolation Pilot Plant (WIPP), including as DOE Carlsbad Field Office (CBFO) Senior WIPP Recovery Manager and CBFO Deputy Manager.

Sean Dunagan

President and Project Manager
Mark Pearcy1200

Mark Pearcy oversees site and operations compliance and day-to-day leadership of all activities at the WIPP site. That includes receipt and emplacement of transuranic waste in the WIPP underground; maintaining existing and future underground disposal areas; and compliance with the Documented Safety Analysis and environmental permits in an effort to ensure that workers, the public and the environment are protected during operational activities.

Mark Pearcy

Deputy Project Manager

Keith Stone brings over 35 years of Department of Energy (DOE) experience in Nuclear Facility Operations, Deactivation and Demolition, and Waste Management to the Waste Isolation Pilot Plant (WIPP). In 2018, Keith returned to WIPP after a six-year deactivation and demolition assignment as Deputy Chief Operating Officer.

Keith Stone

Chief of Staff