External Advisory Board, NSF Center for Science of Information, 2011-2012.
Member of NSF review panel, STC, Dec 2009.
Member of NSF review panel, CISE, Apr 2005.
Member of NSF review panel, STC IPP, May 2004.
Member of NSF review panel, CCR COV, June 2003.
Member of NSF review panel, ITR, May 2003.
Session organizer, “Coded Modulation”,
1998 IEEE International Workshop on Information Theory,
Killarney, Kerry, Ireland, June 22–26, 1998.
Second Past President, 1996,
First Past President, 1995,
President, 1994,
First Vice President, 1993,
Second Vice President, 1992, IEEE Information Theory Society.
Co-Chairman,
1994 IEEE International Symposium on Information Theory,
June 27–July 1, 1994, Norway.
Co-Chairman,
1993 IEEE-Information Theory Workshop on Coding,
System Theory, and Symbolic Dynamics, October 18–20, 1993, Mansfield, Massachusetts.
Organizer and Chairman,
1989 IEEE/CAM Information Theory Workshop,
Cornell University, June 25–29, 1989.
Re-elected to the Board of Governors, IEEE Information Theory Group, 1989–91.
Program Committee, IEEE International Symposium on Information
Theory, Ann Arbor, Michigan, October 1986.
Elected to the Board of Governors, IEEE Information Theory Group, 1986–8.
Co-chairman, Annual Cornell Summer Workshop on Systems, Control
and Communications, 1985–8.
Publicity Chairman, IEEE International Symposium on Information
Theory, Brighton, England, July 1985.