President of the IEEE Inform. Theory Society, 2019. Board of Governors Member of the IEEE Inform. Theory Soc., 2009 – Swiss National Science Foundation International Referee for Discrete Math, 2018/19. External Advisory Committee and Industrial Board Member for the NSF STC for Science of Information (NSF-STC-CSoI), 2013 –. IEEE Koji Kobayashi Award Committee Chair, 2018 - 2019. IEEE Alexander Graham Bell Medal Committee Member, 2017 - IEEE Koji Kobayashi Award Committee Member, 2014 – 2017. IEEE Richard W. Hamming Medal Committee Member, 2013 –2016. 1st Vice President, IEEE Inform. Theory Society, 2018. 2nd Vice President, IEEE Inform. Theory Society, 2017. DIMACS Council Member, 2003 –. DIMACS Postdoctoral Committee Member, 2001 – 2011. Co-Chair for DIMACS Special Focus on Cybersecurity, 2011 – 2016. Co-Chair for DIMACS Special Focus on Computational Inform. Theory and Coding, 2000 – 2005. Guest Editor for the Elsevier-PhyCom, Special Issue on Network Coding and its Applications toWireless Communications, March 2013. Editorial Board Member Springer Journal on Applicable Algebra in Engineering, Communication and Computing, 2008 –.2015 Associate Editor for Coding Techniques, IEEE Trans. Inform. Theory, 1997 – 2000. Technical proof-reader for the IEEE Transac. Inform. Theory, 1990 – 1992.