Hans is heading the research group Marine Wetlands Studies at NHL Stenden University. Together with lecturer-researchers and researchers of ETFI he focuses on the integrated development of the coastal areas of the international Wadden Sea area. He puts a special emphasis on the sustainable development of the leisure and tourism industry. Besides his work for ETFI, Hans is still affiliated to the Wadden Sea Society. As chief editor of the WADDENmagazine and co-author of the Wadweten columns he regularly publishes about scientific research in the international Wadden Sea area. The pristine natural values, the unique cultural history and the valuable landscape are an inexhaustible source of inspiration for his work.
For more than 30 years Hans has been contributing to the protection and sustainable development of the international Wadden Sea area. He was the director of the Wadden Sea Society, member of the governmental Wadden Sea Advisory Board and the trilateral Wadden Sea Forum. He is fully aware of everything that grows and flourishes, works and lives in the northern coastal area. He combines his ecological knowledge with insight into the relation between mankind and nature.