**About the Special Issue Editors**

**Kourosh Koushan** is Senior Advisor at SINTEF Ocean since 2016. He is also Adjunct Professor at the Norwegian University of Science and Technology (NTNU) since 2015. He received his PhD from and worked at the Technical University of Berlin (1992–1997). He joined SINTEF Ocean (formerly MARINTEK) in 1997 as researcher, was promoted to senior researcher in 2000, to principal researcher in 2005 and research director in 2008. He is a member of the Executive Committee (since 2014) and Advisory Council (since 2011) of the ITTC (International Towing Tank Conference). Dr. Koushan, together with Prof. Steen, founded the International Symposium on Marine Propulsors in 2009.

**Sverre Steen** specializes in marine hydrodynamics, focusing on propulsion and experimental methods. He has been a professor at the Department of Marine Technology at the Norwegian University of Science and Technology since 2004, and Head of Department at the same institute since 2016. In 2009, he founded the Symposium of Marine Propulsors together with Dr. Kourosh Koushan.
