Michael Sipser, the Barton L. Weller Professor of Mathematics and head of the Department of Mathematics since 2004, has been named dean of the School of Science. Sipser has served as the school’s interim dean since December, when he was chosen to replace Marc Kastner, the Donner Professor of Physics; in November, President Barack Obama announced his intention to nominate Kastner to head the Department of Energy’s Office of Science. “In 10 years as head of MIT’s Department of Mathematics, Mike Sipser sustained its extraordinary stature while building a warm sense of community,” MIT President L. Rafael Reif says. “His integrity, fairness, and patience will serve him very well in the role of dean. And as the School of Science faces difficult trends in federal funding, I believe Mike’s gift for explaining complex scientific concepts will be a tremendous asset in Washington.” Continue reading at MIT News.