Chief Operating Officer
Roger Holm
Started in 1997 as deck trainee and rose to master on diving support vessels. 25+ years across container, shuttle tanker and offshore service. Former HSEQ manager in Wilhelmsen.
roger.holm@massterly.comOur Team
The people behind autonomy.
Close to 30 experienced captains, navigators, engineers and electricians — curious, solution-oriented and safety-first.
Chief Executive Officer
Tom Eystø
More than 20 years with Kongsberg Maritime; VP Head of Autonomy Program before joining Massterly. Former product manager for Kongsberg's Dynamic Positioning Systems and Regional Support Manager in Asia. Bachelor in Robotics, served in the Norwegian Navy.
tom.eystoe@massterly.com
Chief Product Officer
Kristine Prøsch
Extensive experience in ship approval, environmental protection, project management and vessel performance management. Master in Maritime Technology from NTNU, certified Prince2 project manager.
kristine.prosch@massterly.com
Chief Technology Officer
Ragnar Stangring
Master Mariner, captain since the age of 26. With Massterly since 2020, supervising the Yara Birkeland build at the Brattvåg yard.
ragnar.stangring@massterly.com
Chief Growth Officer
Roger Trinterud
A full career in the maritime industry and Kongsberg Maritime — service engineer, project manager and 15+ years in sales, marketing and business development. Marine electrician, bachelor in robotics, master in management.
roger.trinterud@massterly.com
HSEQ Manager
Stig Berger-Tangen
25+ years of hands-on maritime experience, from able seaman to captain in passenger and seismic operations. Former safety manager at Color Line.
stig.berger-tangen@massterly.com
Vessel Manager
Kim Wetting
Bachelor in maritime economics and leadership, with a thesis on autonomous ships. Experienced captain from the seismic industry with PGS and TTS.
kim.wetting@massterly.comGet in touch
Let's shape the future of maritime operations.
Whether you are exploring a first concept or preparing a vessel for shore-based operation, our captains, engineers and navigators are ready for the conversation.