Dianne P. O'Leary earned a doctorate in Computer Science from Stanford in 1976 and is currently a professor in the Computer Science Department at the University of Maryland. She has conducted research on computational linear algebra, scientiﬁc computing, and optimization. The work has involved a mixture of algorithm development and scientiﬁc applications, drawing upon tools in applied mathematics, numerical analysis, and computer science. This work has been published in computer science and applied mathematics journals as well as journals of physics, chemistry, aerospace engineering, biol- ogy, medicine, and electrical engineering. She has also published work and given presentations on mentoring and leadership. She gave the AWM-SIAM Sonia Kovalevsky Lecture in 2008.