Prof. Wojciech Cellary gave a lecture entitled "Economy 4.0" for the participants of the seminar of the project "Socio-economic consequences of the fourth industrial revolution", carried out by the University of Economics in Krakow under the direction of prof. Jerzy Hausner. Prof. Cellary was also invited to join a team of Reviewers of the results of the project.

Prof. Wojciech Cellary participated in The 3rd International Conference on Finance and Economic Policy (ICOFEP) - New Economy and New Economics, which took place at the Poznań University of Economics and Business on 25 and 26 April 2019. Prof. Cellary served as a member of the Program Committee of the ICOFEP conference, he also took part in one of the sessions as a panelist.

Prof. Wojciech Cellary participated in The World Summit on the Information Society International Forum under the theme "Information and Communication Technologies for achieving the Sustainable Development Goals". The WSIS Forum took place in Geneva. Prof. Cellary was invited to participate in the WSIS Forum by the President of the Office of Electronic Communications, a Polish regulatory authority responsible for telecommunications and postal activities, frequency resources management and compliance with the criteria related to electromagnetic compatibility. As part of the Forum, there was a workshop "Emerging technologies in how to maximize benefits for societies and economies", during which prof. Cellary presented a lecture entitled "Teaching for Economy 4.0".

Dr hab. Eng. Jarogniew Rykowski, participated in the scientific conference "Innovation in the employment of people with disabilities", organized by the State Fund for Rehabilitation of the Disabled and Poznań University of Economics and Business. Prof. Rykowski delivered a lecture entitled "Ad-hoc services for disabled people in a smart city using Bluetooth".

Prof. Wojciech Cellary participated in the 13th Teachers' Forum - Economy 4.0, organized by the College of Logistics in Poznań from 21 - 22 February 2019. The aim of the conference was to look for ways to improve the quality of logistic education in secondary schools. Prof. Wojciech Cellary delivered the invited lecture entitled "Logists in the economy 4.0".