| Postgraduale Lehrgänge/Summer School | Sonstiges | | 09/2010 | 09/2010 | "Environmental Implications of Energy-Efficient Global Communication Networks", invited lecture at the BONE Summer School, Budapest University of Technology and Economics, Budapest, Hungary, |
| Postgraduale Lehrgänge/Summer School | Sonstiges | | 08/2014 | 08/2014 | "Holistic view on green network technologies: wireless access, wired core, data centers and end-user devices", invited lecture at the 5GrEEn¿s Summer School, KTH Stockholm, Sweden |
| Postgraduale Lehrgänge/Summer School | Sonstiges | | 11/2013 | 11/2013 | "Optical Technologies for Datacenters and Cloud Computing", invited lecture at the University of Zagreb, Zagreb, Croatia |
| Postgraduale Lehrgänge/Summer School | Sonstiges | | 09/2010 | 09/2010 | "Power Consumption Issues in Optical Networks", invited lecture at the BONE Master School, Budapest University of Technology and Economics, Budapest, Hungary. |
| Postgraduale Lehrgänge/Summer School | Sonstiges | | 11/2013 | 11/2013 | "Quantum Cryptography: Basics, Perspectives and Challenges", invited lecture at the University of Zagreb, Zagreb, Croatia |
| Wissenschaftliche Konferenz/Symposium | Sonstiges | | 07/2013 | 08/2014 | Co-Chair of the 16th International Conference on Transparent Optical Networks (ICTON 2014) |
| Wissenschaftliche Konferenz/Symposium | Sonstiges | | 11/2010 | 09/2011 | Co-chair of the NBiS-2011 Topic "Energy Efficient Networks and Green IT" |
| Wissenschaftliche Konferenz/Symposium | Sonstiges | | 08/2012 | 07/2013 | Co-chair of the Technical Program Committee of the 8th European Conference on Network and Optical Communications & 8th Conference on Optical Cabling and Infrastructure (NOC-OC&I 2013) |
| Wissenschaftliche Konferenz/Symposium | Sonstiges | | 03/2007 | 03/2020 | Member of the Scientific Committee of the Conference "ICTON-MW" |
| Wissenschaftliche Konferenz/Symposium | Sonstiges | | 03/2008 | 03/2020 | Member of the Technical Committee of the Conference "CSNDSP" |
| Wissenschaftliche Konferenz/Symposium | Sonstiges | | 08/2009 | 08/2020 | Member of the Technical Committee of the Conference "ConTEL" |
| Wissenschaftliche Konferenz/Symposium | Sonstiges | | 02/2008 | 02/2009 | Member of the Technical Committee of the Conference "IARIA INTERNET" |
| Wissenschaftliche Konferenz/Symposium | Sonstiges | | 03/2008 | 03/2020 | Member of the Technical Committee of the Conference "ICT@FIT" |
| Wissenschaftliche Konferenz/Symposium | Sonstiges | | 08/2010 | 08/2020 | Member of the Technical Committee of the Conference "ONDM" |
| Wissenschaftliche Konferenz/Symposium | Sonstiges | | 10/2012 | 06/2013 | Member of the Technical Program Committee of the workshop on "Green Broadband access: energy efficient wireless and wired network solutions" as a part of the International Conference of Communication (ICC 2013) |
| Wissenschaftliche Konferenz/Symposium | Sonstiges | | 07/2006 | 09/2006 | Member of the committee for the section of technical sciences in the first biannual Scientific Congress in Sarajevo, Bosnia and Herzegovina (BH) |
