(en) Ananda Shakespeare, « Wael Sawan », sur meed.com, (consulté le ) : « He […] then took a break to complete his masters of business administration (MBA) at the US Harvard Business School. »
(en) Mark Sweney, « Shell appoints Wael Sawan to replace outgoing chief Ben van Beurden », sur TheGuardian.com, (consulté le ) : « Sawan, born in Beirut with dual Lebanese and Canadian nationality, will officially take over as chief executive from 1 January, at which point he will also join Shell’s board »
thenationalnews.com
(en) Reuters, « Who is Shell's new chief executive Wael Sawan? », sur thenationalnews.com, (consulté le ) : « Born in Beirut in July 1974, Mr Sawan grew up in Dubai and studied at Harvard Business School. He graduated with a master’s degree in chemical engineering from Canada's McGill University. »
