The Team

The SeaTwirl team is small, ambitious and highly motivated with extensive technological expertise and entrepreneurial experience. The team provides a strong base for the key technology development of the floating wind turbines.

SeaTwirl’s engineers represent a wide range of backgrounds that cover the key technology areas for SeaTwirl’s products, such as design, simulation, hydrodynamics, testing and mechanical construction.

Johan Sandberg, CEO

Johan is CEO since 2023. He has long experience from the floating wind power industry, working for both DNV and Aker before joing SeaTwirl. At DNV he led the effort to produce the first standard for floating wind, which was published in 2013. He holds a degree in engineering and an MBA.

Mats Hult, CFO

Mats is CFO since 2020 and has over the years held a number of senior positions as CFO, CEO and Production Manager. The roles have also included organization / personnel issues, purchasing and various project assignments. Mats has solid experience from several different industries and companies. He has experience from international environments, producing companies and development companies and the latest assignment within an innovation company.

Jonas Boström, CTO

Jonas is a Naval Architect graduated from Chalmers University of Technology and have experience from previous employment within class society and mechanical design for offshore equipment. Jonas contributes with a keen eye for design and interfaces of mechanical systems, especially in the harsh ocean environment. Jonas is a solution and result orientated team player that stirs around to get forward and beyond.

Peter Laurits, Business Development

CEO between 2020-2023. Peter has a degree in M.Sc. Electronic Engineering from Chalmers, 1995. Peter spent 15 years in various positions at Saab Training Systems, among others VP and Head of Sales. Between 2008-2013, Peter was CEO and part owner of Corroventa Avfuktning and from 2014 to 2018 Peter was CEO and part owner of Concept Träningsredskap AB.

Andreas Börjesson, Lead Engineer

Andreas has a MSc in Mechanical Engineering from Chalmers University of technology. He joined SeaTwirl in 2014 and has extensive knowledge about the SeaTwirl design. He brings his mechanical engineering skills and a positive attitude to the team.

Martin Rosander, Sr. Structural Engineer

Martin has a background in calculations and project management with a special focus on composites for the offshore industry. As a aeronautical engineer from KTH (Royal Institute of Technology) Martin contributes constructively to the team. Martin also has a long experience in manufacturing for the offshore industry, giving him a large network of contacts. The specialisation in fatigue calculations is also valuable in the work on SeaTwirl S2.

Jon Jonsson, System Engineer

Jon has more than 20 years project management experience related to turnkey system deliveries for the marine and offshore segments, as well as design for the offshore industry. He is a trained machinery engineer that has sailed the seven seas with the Swedish Navy and contributes to SeaTwirl with his expertise in systems, functions, and documentation.

Erik Aronsson, Lead Engineer/Project Manager

Erik holds a MSc in Naval Architecture from Chalmers University of Technology. From his previous roles at classification societies and marine suppliers, he has gained experience and expertise in marine operations, certification, third-party verification, and product development. He is driven, ambitious and has a big interest in technology.

Elsa Gejrot Mellstig, Communication Manager

Elsa has a Bachelor of Science in Business and Economics from Lund University and has been working as Communication Manager at SeaTwirl since the autumn of 2020. She has experience within project management and contributes with a positive attitude and a strong drive to achieve goals.

Andreas Oscarsson, Lead Engineer

Andreas has a MSc in Naval Architecture from Chalmers University of Technology. He has experience in developing marine equipment from an early design to finished product, both as a designer and as a project coordinator. He has worked in close cooperation with suppliers to get the best result.

Eric Lorentzon, Senior technical advisor

Eric is an experienced Naval Architect educated at Chalmers Technical Univeristy. He has been working with floating offshore structures, and project management for more than fifteen years, where three and a half years of them have been at shipyards. Eric has experience from working with large international projects from the start of design all the way until construction. Eric is keen on details, open minded when it comes to solving issues, solution oriented and driven.

Joanna Eichstaedt, Engineer

Joanna holds a MSc in mechanical engineering from the Gdansk University of Technology. She also spent two semesters at the Norwegian University of Science and Technology in Trondheim. Her focus since she started working has been on 3D modeling.

Jonathan Hooper, Lead Engineer

Jonathan holds a bachelor’s engineering degree from the University of Portsmouth and has had many years of experience in working as a Lead Engineer, as well as Project Manager, within the heavy marine industry sector. At SeaTwirl, Jonathan will work as a Lead Engineer, with the main responsibility to optimise and quantify the mechanical drive components. Jonathan has an interest in the renewable energy market and will contribute with his experience to make the effective operation of the SeaTwirl turbine solutions possible.

David Österberg, Senior Engineer

David holds an MSc in Engineering Physics from Uppsala University and has great experience from research and development in the wind industry both in Sweden and in Denmark. He is skilled within mechanical design, structural verification as well as loads and aerodynamics. In his previous work David had the role of team leader with technical responsibility for the main bearing arrangement structure, yaw system and main foundation. He also knows vertical axis wind turbines from being deeply involved in the development, production and installation of a 200 kW vertical axis wind turbine prototype. David joined SeaTwirl in 2023.

Johanna Stenmark, Loads Engineer

Johanna holds a Msc in applied mechanics from Chalmers University of Technology with a focus on fluid mechanics. For her final semester she wrote her master’s thesis about aerodynamic and structural optimization of a blade profile for SeaTwirl’s turbines. This work gave her insight in the aerodynamics of the turbine and sparked an interest in continuing exploring this area while working at SeaTwirl.

John Salquist, 3D artist

John is a graduated 3D artist from Computer Graphics Design at YRGO and also holds a Bachelor of Fine Art from Valand Academy. He has a strong interest within visualization with experience from technology projects as well as art projects.

Roger Cederberg, Senior Advisor

Roger served as board chair of SeaTwirl during 2012-2019 and has since been senior advisor. He holds a MSc in Engineering, a PhD in Computer Science and a MBA. He has experience from an array of leading positions, including CEO of Teragon Systems, Marketing Director of Hasselblad, CEO of IVS and SVP of IFS.

Jens Tommerup, Senior Advisor

Jens joined the SeaTwirl board in 2018 and was chair between 2019-2020, when he left the board to take a more operational role in the company. He holds BSc in Engineering and has attended management programs at Imperial College London and INSEAD. As founding CEO of MHI Vestas Offshore Wind from 2014 until April 2018, he helped build the company into one of the leaders in offshore wind power. Before MHI Vestas he was head of Vestas China and of Vestas Asia/Pacific and China