Witnesses:

Dr. Alan I. Leshner
Chief Executive Officer, American Association for the Advancement of Science (AAAS)

Dr. Marcia Brumit Kropf
Chief Operating Officer, Girls Incorporated

Dr. Sandra Hanson
Professor of Sociology, Catholic University

Ms. Barbara Bogue
Associate Professor of Engineering Science and Mechanics and Women in Engineering, Penn State College of Engineering

Ms. Cherryl Thomas
President, Ardmore Associates LLC.