Invited Talk on Challenges in Management of Geographically Distributed Ultra-scale Applications, TU Berlin, Germany, March 1st 2017.
Invited Talk on "Balancing Quality of Service and Energy Efficiency in Multi Clouds or How to Prevent Netflix Movies From Getting Stuck?" at Science Days of the Austrian Academy of Sciences (Young Academy), 16th February 2017, Innsbruck, Austria.
Talk on Autonomic Management of Ultra Scale Systems at NESUS COST Action working Group meeting (WGs on Programming models and runtime in ultra scale systems and Energy Efficiency in Ultra scale systems), Madrid, 7/8th July 2014.
Invited talk on Time and Space Capacity Planning in Virtualized Infrastructures, Umeå University, Sweden, 24th April 2014.
Keynote talk on Reducing Energy Consumption by using Clouds, joint keynote at the 3rd International Conference on Cloud Computing and Services Science (CLOSER 2013) and 2nd International Conference on Smart Grids and Green IT Systems (SMARTGREENS), 8-10 May 2013, Aachen, Germany.
Keynote talk on Challenges in Establishing International Research in Vienna. Reception for International Scientists in Vienna organized by Alexander van der Bellen (Commissioner for Research) and M. Häupl (Major of Vienna). 13. Nov. 2012. Vienna, Austria.
Invited talk: Let's Audit - Cloud Computing - Selbstbedienung nach Bedarf? Ernst & Young, Vienna Austria, 28. June, 2012.
Invited talk Managing Energy Efficient Hybrid Clouds, Faculty of Electrical Engineering, Mechanical Engineering and Naval Architecture, Split (FESB) 24th April 2012, University of Split, Croatia.
Keynote talk on Knowledge Management in Energy Efficient Clouds, at CAGing - Collaborative and Autonomic Green computing 2012, held in conjunction with WETICE 2012 -21st IEEE International Conference on Collaboration Technologies and Infrastructures, 25-27 June, 2012, Toulouse, France