washington u.s. commerce secretary wilbur ross divest interest oil tanker company diamond ship process sell hold another ship firm navigator hold trump administration official say tuesday ross originally intend retain ship interest follow confirmation february 79-year-old investor come criticism disclosures sunday one navigator major clients russian gas company sibur firm whose owners include members russian president vladimir putin inner circle information business tie navigator operate gas-carrying ship sibur base leak document offshore law firm appleby part so-called paradise paper show detail business deal wealthy people institutions range ross britain queen elizabeth trade firm glencore glen.l reuters independently verify document begin divest navigator interest may administration official say ross near completion process office government ethics disclosure file ross june 20 show sell interest navigator value 15,001 50,000 may 30. official provide explanation ross divestitures ross own stake firm several partnerships ross billionaire investor help shape republican president donald trump trade policy tell u.s. senators confirmation hear january research show retention ship interest would present conflict interest u.s. ocean ship regulation handle federal maritime commission separate independent agency diamond ship base greenwich connecticut operate 33 petroleum product tankers 12 crude oil tankers operate flag hong kong marshall islands malta ross tell media monday nothing london-based navigator relationship sibur never meet sibur owners include putin son-in-law kirill shamalov gennady timchenko putin associate subject u.s. treasury sanction ross say multiple media interview fully disclose stake navigator hold part government ethics requirements u.s. commerce chief ross divest ship interest official