Associate Editor, IEEE Transactions on Antennas & Propagation: August 2010-Present, Associate Editor IET Electronics Letters: July 2015-Present, Member IEEE Antennas and Wave Propagation Standards Committee, Associate Editor IETE Technical Reviews, August 2009-July 2013, Associate Editor, Radio Science, January 1999-January 2004; Associate Editor, IEEE Transactions on Vehicular Technology, July 2003-2006; Chairman of IEEE Monterey Bay Subsection, July 1998-July 2001; Elected Member of US National Committee of URSI, Commissions B and F; Member of Technical Program Committees, Joint IEEE AP-S International Symposium/URSI Meeting, 1999, 2000; Chaired Technical Sessions at the IEEE AP-S International Symposia, 1995, 1999, 2001-2009
