What we stand for:

KONGSTEIN is dedicated to provide Best of Class engineering and consulting solutions to both the Offshore Renewables sector and the Maritime Industry.

Within these industries, we serve a diverse portfolio of clients. In Offshore Renewables, we focus on turbine manufacturers and operators, as well as on project developers and asset owners. Our clients in the Maritime Industry include innovative shipyards focused on clean propulsion solutions, as well as major ship design offices focused on high tech vessels. The common thread throughout our markets and clients is our clear commitment to clean energy at sea, facilitated by our network of Norwegian and German engineers and mariners.

KONGSTEIN combines Norwegian innovative culture and marine competence with German focus on details and efficiency, to provide quality services and smart, innovative solutions. Our partners accumulated many decades of hands-on experience in major projects within the offshore energy and maritime industries and connect with a pool of highly qualified specialists world-wide. This unrivalled practical experience ensures our clients receive a solid approach to designing, operating and de-risking offshore projects.

Who we are:


Chairman of the Board.

Thorsten, one of KONGSTEIN’s founding members earnt a MBA degree from Indiana University, USA and was a former partner of the Boston Consulting Group where he primarly served wholesale banks and maritime companies. He took over a managerial and ownership position in a ship owning and marine logistics company specialized in offshore and port operations. Thorsten holds several board member seats within the offshore industry.

Rune Tvedt

Partner and Managing Director.

Rune is a Norwegian mechanical engineer with experience gained in shipyards acting as MD, and in international sales & marketing and project management. He has worked on advanced chemical tankers, DP2 vessels, drillships, and is a designer and implementer of subsea equipment. Furthermore, he is inspector and survey manager on behalf of class societies, flag states and P&I clubs.

Thorbjørn Hansen

Partner and Managing Director.

Thorbjørn is a Norwegian engineer, Dept. of Naval Architecture and Offshore Engineering. He has the expertise for advanced chemical tankers, DP2 vessels, drillships, and is also a designer and implementer of subsea equipment. He is coordinator of topside offshore structures and jack-up rigs and was the pre-piling installation manager at alpha ventus and on HLV Thialf.

Sabine Weth

Country Manager Norway.

Sabine holds an Executive MBA in Energy from BI Oslo and an engineering degree from RWTH Aachen. She specializes in building and leading offshore operations teams, pursuing a holistic approach to O&M. Her background includes positions as Senior Commercial Asset Manager, Head of Operations for Offshore Wind and Operations & Maintenance Package Manager.

Erik Pietsch

Country Manager Germany.

Erik is a fully trained business economist who started his career in the Corporate Development/ M&A department of a major utility and leading offshore wind farm developer and operator. Working for Vattenfall Windkraft, Erik gained valuable experience in leading positions within technical project management and specialist team development for offshore logistics and maritime operations.

Dr. Peter Blauwhoff

Non-executive Director.

As an engineer by training, Peter made his management career in Shell, having served in various leading positions for many years before taking over the Chairmanship of the Management of Deutsche Shell from 2008 to end of 2015. He too is a founding partner of KONGSTEIN. Peter holds board member seats in the consulting and energy industries.

Lars Engelmann

Non-executive Director.

Lars is a senior business development and innovation manager in the maritime and offshore renewables market. With his background in business administration, maritime logistics and industry project management, he has accrued over 15 years of experience in senior positions in the maritime and energy sector.

We love to communicate with you!

Teatergaten 35, 5010 Bergen

Poststraße 33, 20354 Hamburg

+47 482 95 346

+49 172 324 1929