Herman Kasper Gilissen (Arnhem; 21 May 1982) holds an LLM (Utrecht University, 2008) and a PhD in Legal Research (Utrecht University, 2013), both within the field of Environmental Law. In 2013 he publicly defended his dissertation about the legal dimensions of adaptation to climate change in Dutch water management. He currently is professor of Climate Change, Regulation and Deltas. He works for the Delta Climate Center (DCC; Vlissingen) and the Institute for Jurisprudence and Constitutional & Administrative Law/Utrecht University Centre for Water, Oceans and Sustainability Law (UCWOSL; Utrecht). He is member of the UCWOSL Management Team since 2023 and the Water Climate and Future Deltas Community's Troika since 2024. 

His research and interests focus on the broad domain of environmental/water law and governance. In his research, in particular he addresses the question about the role of law in regional transitions to increase sustainability and climate resilience in deltas. He regularly participates in mono-, inter- and transdisciplinary research projects in this field and publishes in national and international academic journals and other academic and professional fora. He is an active member of the interdisciplinary UU Community 'Water, Climate & Future Deltas' and participates in several interdisciplinary NWO-funded research projects (AquaConnect (NWO Perspectief), Waterscapes (NWO-KIC) and STURDI-Water (NWO-KIC)), as well as DCC-funded projects (Flexible Deltas, ProceZ). Lastly, he (co-)supervises a number of PhD projects in the field of environmental and sustainability law. 

As a qualified senior lecturer in the Utrecht School of Law, he is responsible for and involved in the development, organization and execution of academic courses on administrative and environmental law. He has been program leader and coordinator of the Master's Program 'Constitutional & Administrative Law/Environmental law' and its related Honor's Program (Master) from 2018 to 2024. Moreover, he is regularly involved in educational innovation projects, such as projects on the development of serious games/governance simulations and the development of interdisciplinary teaching programs. He was involved in the UU-wide USO Project 'Interdisciplinary Education Platform' (IEP; 2020-2024), creating a network of teachers who are involved or interested in interdisciplinary education and learning.   

In addition to his work at Utrecht University, he is a member of the Working Group ‘Rivers and Lakes' of the Expertise Network Water (ENW), the Kwaliteitscommissie Waddenfonds and the supervisory board of the Foundation ’Advocaat van de Aarde'. Moreover, he serves with the Royal Netherlands Army Reserve Corps (10 Bat). He likes to participate in long-distance walking events, cook, read and spend time with his family. He lives in Utrecht with his partner Margot, daughter Doris, son Lode and his two cats, Koekie and Prins.