Determination, a key asset of Boa Group co-founder Ole Bjornevik, has paid off for the company, which is back in good form after some turbulent times.

The 59-year-old chairman — a keen sportsman, professional diver, salvor, helicopter pilot, ship’s master and long-time vessel owner — became chief executive at 22 and has steered his company from three coastal tugs to become a global offshore player.

“Chief