Marianne C. Walck is vice president of Sandia’s California laboratory and serves as lead for the
Laboratories’ Energy and Climate business unit. The California laboratory’s principal programs include
nuclear weapons stewardship; homeland security with a focus on defending against weapons of mass
destruction; combustion, transportation and hydrogen energy research; biology; and advanced computational
and information systems. Walck is also the Associate Director for the Center for Frontiers of Energy
Security, a DOE Energy Frontier Research Center.
Prior to moving to Sandia’s California laboratory, Walck was the Director of the Geoscience, Climate,
and Consequence Effects Center. She served on the Sandia Research Leadership Team, led the Geoscience
Research Foundation, and was the Program Director for Sandia’s Climate Security Program. Walck has more
than 24 years of technical management experience. Previous roles have included Director of the Nuclear
Energy and Global Security Technologies Center at Sandia, Senior Manager for the Nuclear Energy Safety
Technologies Group, and Manager of the Geophysics Department.
Walck earned her Ph.D. in geophysics (seismology) from the California Institute of Technology (Caltech)
in 1984; an M.S. in geophysics, also from Caltech in 1981; and an A.B. in geology/physics from Hope
College (Holland, Michigan) in 1978. She is author of more than 60 technical papers and published
presentations. She holds memberships in the American Geophysical Union, the Seismological Society of
America, the Association for Women Geoscientists, and the American Nuclear Society. Walck has served
on numerous professional committees for national laboratories and professional societies. She is a
member of the Advisory Council for the College of Geosciences at Texas A&M University. She volunteers at
Sandia Labs as a mentor, in the Albuquerque community with the Regional Science Fair, and as a violinist
in a community orchestra.