White House Science Advisor John Holdren visits Sandia National Labs

White House Science Advisor John Holdren, right, and Gilbert Herrera, director of Sandia National Laboratories’ microsystems technology center, during a tour of Sandia’s Microsystems and Engineering Sciences Applications (MESA) facility. During his June 7 visit to Sandia, Holdren was briefed on a wide range of Labs’ capabilities. Holdren is the senior advisor to President Barack Obama on science and technology issues through his roles as Assistant to the President for Science and Technology, Director of the White House Office of Science and Technology Policy, and Co-Chair of the President’s Council of Advisors on Science and Technology.