Bertolt joined Oranje-Nassau Energie as Commercial Advisor in 2015. After obtaining an MSc degree in Applied Physics from Delft University of Technology he joined Shell as a Project Engineer. Within Shell, Bertolt moved to the organisation’s central new business development department where he held several commercial roles. Bertolt’s energy industry experience covers upstream, midstream and downstream, developing projects and commercial opportunities across the globe. At Oranje-Nassau Energie Bertolt’s responsibilities include commercial new business development and asset management support.