John Fredriksen has expanded the responsibilities of Marius Hermansen, who has been appointed chief operating officer at private Seatankers Management.

The 40-year-old Bergen native started in Fredriksen-controlled Frontline in 2014 after 10 years as shipbroker in the sale and purchase department of Oslo-based Fearnleys. Shortly after, he started in Fredriksen’s management company Seatankers, based in Oslo.

Hermansen is chairman of LPG company Avance Gas and sits on the boards of Flex LNG and bulker owner Golden Ocean Group.