Christian Kramer and Hylke Boerstra joined Chemikalien Seetransport (CST) when the fleet was shrinking fastest.
They worked alongside the late Peter Kramer to reverse the slide, deciding which ships should go and where future investment should be focused.
Boerstra said two subsequent years of consolidation have been followed by expansion. The strategy behind the turnaround had little to do with a generation change, Christian Kramer said.