Program Committee Member of the 1994, 1998, 2002, 2004, 2005, 2006, 2007, 2008, 2009 2010, 2011, 2012, 2013, 2014, 2015, 2016 and the 2021 IEEE International Symposium on Information Theory.
Co-organizer of the ‘Multiple Access’ Session. 1995 IEEE Information Theory Workshop, 25-29 June, 1995, Rydzyna, Poland.
Co-organizer of the ’Turbo Coding’ Session. Mediterranean Workshop on Coding and Information Integrity, Palma-de-Mallorca, Spain, Feb. 28-March 1, 1996.
Chair and Co-organizer of the 1996 IEEE Information Theory Workshop, 9–13 June, 1996. Haifa, Israel.
Co-organizer of the `Shannon Theory’ Session at the 1998 IEEE Information Theory Workshop, June 1998, Killarney, Co. Kerry, Ireland.
Co-organizer of the International Technion Communication Day ― in Honor of Israel Bar-David, 25 March 1999, Haifa, Israel.
Program Committee Cochair of the IEEE International Symposium on Information Theory (ISIT’2001), Washington, DC, USA, June 24-29, 2001.
Organizer of the “Signals and Systems” Session at the URSI Annual Meeting, Technion, Haifa, Israel, 15 December, 1998 and February 15, 2000.
Co-organizer of the “Fading Channels” Session at the 34 Annual Conference on Information Sciences and Systems (CISS’00), Princeton University, Princeton, NJ, USA, March 15-17, 2000.
Scientific Committee of the 2001 Semiannual Vehicular Technology Conference (VTC 2001) Spring, Tel Aviv, Israel, 6-9 May, 2001.
Shannon Theory Associate Editor, IEEE Transaction on Information Theory. 1996-2000.
Board of Governors Member (1995-2000), (2002-2005), (2005-2008) of the IEEE Information Theory Society.
Guest co-editor of the Special Issue of the IEEE Transactions on Information Theory dedicated to A.D. Wyner: “Shannon Theory: Perspective, Trends and Applications”, June 2002.
Member of the Evaluation Committee of the Computer Science and the Communication Systems Departments at (EPFL) – the Swiss Federal Institute of Technology, Lausanne, Switzerland, November 2001.
Program Committee Member of the 2003 IEEE Information Theory Workshop, “La Sorbonne”, Paris, France, March 31-April 4, 2003.
Program Committee Member of the 2003 International Symposium on Turbo Codes & Related Topics, Brest, France, 1-5, September 2003.
“Capacity for Multiple Users and Multiple Antennas Systems,” Session Organizer at the 2004 Communication Theory Workshop, Capri, Italy, May 5-8, 2004.
Program Committee Member of the 2004 International Symposium on Information Theory and its Applications, (ISITA 2004), Parma, Italy, October 10-14, 2004.
Editorial Board of Foundation and Trends in Communications and Information Theory, now, the essence of knowledge, publishers. Since 2004.
Program Committee Member of the 2006 International Symposium on Turbo Codes & Related Topics and the 6th International ITG Conference on Source and Channel Coding, Munich, Germany, April 3-7, 2006.
IEEE, Information Theory Society, “IEEE FELLOW” nomination committee member, 2003, 2004, 2005, 2006, 2007 and 2008.
Organizer and Chair of the Technion Information Theory Workshop January 2006.
Program Committee Member of: Optimization of Wireless Networks Design and Operations (WiOpt 2008), Berlin, Germany, April 1-3, 2008.
Program Committee Member of the 2009 Information Theory Workshop, Taormina, Sicily, October 11-16, 2009.
Guest Co-Editor: EURASIP Journal on Wireless Communications and Networking, Special Issue on Wireless Physical Layer Security, Volume 2009, Article ID 404061, 2 pages.
Guest Co-Editor: IEEE Journal of Selected Areas in Communications, Special Issue, Cooperative Communications in MIMO Cellular Networks (to appear in 2010).
Executive Editorial Board of the IEEE Trans. on Information Theory, since 2010.
Program Committee Member of the 2012 Information Theory Workshop, September 3-7, 2012, Lausanne, Switzerland.
Steering Committee Member of the IEEE 2nd International Workshop on Multicell Cooperation in conjunction with IEEE GLOBECOM 2012, December 7, 2012, Anaheim, CA, USA.
Member of the IEEE Information Theory Society Nominations and Appointments Committee, since January 2013.
Program Committee Member of the 2016 Information Theory Workshop, Cambridge, UK, 11-14, Sep. 2016.
IEEE, Information Theory Society: Member of the Shannon Award Selection Committee, since November 2016.
Guest Co-Editor of Entropy-Special Issue on: Information Theory for Data Communications and Processing: since March 2018.
Coorganizer and Cochair of the The 2020 Workshop on Machine Learning for Communications (MLCOM2020), 7-8, September 2020 Israel.
Program Committee Member of the 2020 IEEE Information Theory Workshop, Riva del Garda, Italy, will be held 11-15 April, 2021.