When Knut Nesse left his job as CEO of Nutreco in 2018, he expected it would be the end of his time in management and operations, and a nice break from a job that kept him on the road for upwards of 150 days per year.

Advising, board roles -- a more arm's length participation seemed like the right direction after six years at the Dutch feed giant, which also owns Skretting, the world's largest aquaculture feed producer.

Things were going according to plan when the 53-year-old took over as chairman of the board at Norway-based aquaculture equipment supplier Akva.