Prof. Wojciech Cellary attended The 3rd International Conference on Human Side of Service Engineering HSSE 2015, organized under The 6th International Conference on Applied Human Factors and Ergonomics AHFE 2015 umbrella. The conferences took place in Las Vegas (USA) from July 26 to July 30, 2015. Prof. Cellary served as a Co-Chair of the HSSE 2015 Scientific Advisory Board. He gave also a lecture entitled “e-Service Dominant Logic” during a session “Smart Service Systems: Augmenting and Scaling Human Expertise with Cognitive Assistants".