William Press is the Leslie Surginer Professor in computer science and integrative biology at the University of Texas at Austin, and also an emeritus senior fellow at the Los Alamos National Laboratory, where he was deputy director for five years prior to 2004. Earlier, he was for twenty years professor of astronomy and physics at Harvard University. Press is co-author of the Numerical Recipes books on scientific computing, with more than half a million copies in print. He was a member of President Obama's Council of Advisors on Science and Technology from 2009 to 2017 and was reappointed to this White House council by President Biden in 2021. He serves as treasurer and member of council in the National Academy of Sciences and is a past president of the American Association for Advancement of Science.