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Our Team

Paula Linnen

Executive Director, External Affairs

Areas of Responsibility

​Leads the development and execution of PNNL's strategy for community outreach and engagement, federal and state legislative affairs and STEM education.


  • Board of Overseers, Stanford Linear Accelerator Center National Accelerator Laboratory
  • Board of Directors, Washington State STEM Education Foundation
  • Board of Directors, Association of Washington Business
  • Board Member and Academic Committee Chair, Heritage University

Evangelina Shreeve

Director, STEM Education and Outreach

Areas of Responsibility

​Lead development and execution of PNNL's STEM education strategy. Manages PNNL’s relationship between PNNL and DOE's Office of Workforce Development for Teachers and Scientists, as well as national and state STEM stakeholders, including the Governor's office, state agencies, industry, organizations and associations.


  • ​Member, Washington State Governor’s STEM Education Innovation Alliance
  • Board Member, Washington State MESA
  • Governing Board Member, National Science Foundation Louis Stokes Alliance Minority Program
  • Board Member, WA State LASER
  • Council Chair, Mid-Columbia STEM Education Collaboratory
  • Board Member, National Girls Collaborative Project

Karen Blasdel

Director, Community Affairs and Protocol

Areas of Responsibility

​Lead development and execution of PNNL's community affairs strategy, Battelle philanthropy programs and high-level PNNL visits.


  • ​Vice President, The Reach Foundation Board of Directors
  • Excellence in Service Award Chair, Visit Tri-Cities Board of Directors

External Affairs