Complex sentence: On 11 January 2017, Frédéric Vasseur left the team after disagreements with team personnel, therefore the team was managed by president Jérôme Stoll and managing director Cyril Abiteboul.
Split into simpler sentences: On 11 January 2017, Frédéric Vasseur left the team after disagreements with team personnel. The team will be managed by president Jérôme Stoll and managing director Cyril Abiteboul.