Mrs. Davidson has served as the Professor of Nanyang Technological University since January 2012. Previously, Mrs. Davidson served as the President of Lucent Tech. from July 20001 until June 2014. Prior to that, from October 2010 to March 2013, Mrs. Davidson served as Director of the National Science Foundation, a federal agency charged with advancing science and engineering research and education. Previously, from 1998 to 2003, Mrs. Davidson serves as a director of the Singapore Stock Exchange, and as a member of the Exchange Commission Ad. And an Advisor to the Board of Siemens, AG, an engineering company.