Prof.dr. Marijn Janssen is Full Professor in "ICT and Governance" and head of the ESS (Engineering Systems and Services) department of the Technology, Policy and Management Faculty of Delft University of Technology.

Marijn has received more than 15 best paper awards. In a survey published in 2009 in 2014 and in 216 Marijn is ranked as one of the leading researchers in e-government. He was rank by Apolitical as one of the 100 most influential people in the Digital Government https://apolitical.co/lists/digital-government-world100 in 2018 and 2019. in 2022 he received the Digital Government Society (DGS) Fellow award.

Marijn Janssen research is in the field of Open Government, Open Linked Data (LOD), XBRL, Cloud and Distributed-computing (blockchain), AI and Software-as-a-Service which fundamentally change the organizational landscape and influence the governance. He is particularly interested in situations in which multiple public and private organizations want to collaborate, in which ICT plays an enabling role, socio-technical solutions are constrained by organizational realities and political wishes, and there are various ways to proceed.