Svein-Arne Marthinussen is the Processing EAF Sales and Commercial Manager for OneSubsea, supporting subsea processing activities in the Europe and Africa region. He joined OneSubsea in 2011 and held roles in engineering, engineering management, and product management before moving into sales and commercial.

He holds a Master’s degree in multiphase systems and has extensive experience supporting the development and application of subsea processing technologies for deepwater projects. Based in Milan, Italy, Svein-Arne works closely with operators and project teams to address technical challenges, with a focus on system simplification to improve the economics of subsea projects.