Mr. Østervold is the CEO and founder of ECOsubsea which have developed technology that keeps vessels hull free of fouling with a robot that sends all biofouling further to be used in biogas production. The vessels save substantial amounts of fuel and both water and air environment is kept cleaner. Currently operating from Southampton and servicing leading companies like WWL and Carnival Cruises Corp. ECOsubsea and its team have since 2013 been awarded the “Young Entrepreneur Award”, “Orcelle Award”, the “Green Shipping Technology Award” in addition to "The Global Freight Award" in 2016 for development of sustainable technology to the shipping industry. Østervold holds a MSc from Plymouth in International Shipping.