Barbara Simons is a computer scientist and past president of the Association for Computing Machinery (ACM). She has held various technical, administrative, and public policy positions with the ACM since the early 1990s; she is founder and former Chair of USACM, the ACM U.S. Public Policy Committee. Her main areas of research are compiler optimization and scheduling theory. Together with Douglas W. Jones, Simons coauthored a book on electronic voting entitled Broken Ballots.
Source - http://en.wikipedia.org/wiki/Barbara_Simons