Prof. Wojciech Cellary attended a conference The 5th International Conference on Human Side of Service Engineering HSSE 2017, organised within the framework of The 8th International Conference on Applied Human Factors and Ergonomics AHFE 2017, which took place in Los Angeles (CA, USA), July 17 - 21, 2017. Prof. Wojciech Cellary served as a Program Co-Chair of the HSSE Conference. During a session entitled "Shaping the Human Side of T-Shaped Professionals II" he presented a paper „E-business as an example of T-shape education” (authors: Cellary, W., and J. Rykowski). Prof. Cellary co-chaired a closing session during which HSSE Best Paper Awards were presented.