THE HAGUE, the Netherlands, November 3, 2015 /PRNewswire/ — Royal Dutch Shell plc (“Shell”, NYSE: RDS.A, NYSE: RDS.B)) today announces the appointment of Maarten Wetselaar Integrated Gas Director with effect from January 1st, 2016. Integrated Gas in Shell has grown into a business that generated $11 billion of cash flow per year average over the last…