Dr Heinrich Schulte was recently asked about what lessons he might pass on to his two sons, Johann and Christoph.

Had he any regrets?

The 86-year-old chairman of Schulte Group conceded that he had indeed made plenty of mistakes in his six decades in the business.

“We missed chances here and there,” Schulte responded to the question posed by Borealis Maritime founder Christoph Toepfer at Marine Money Hamburg in May.