[citation needed] After graduating, he worked in marketing and sales with Reckitt Benckiser and Gillette.
[3] D'Silva had reached the position of chief executive officer of Shell Middle East and central Asia by 2005.
That year he travelled to Dhaka, Bangladesh for the launching of a Ranks Petroleum Ltd. and Shell Middle East's joint venture.
[2] In May 2006, he was elected to the Board of Shell Pakistan Limited and also appointed Chairman & Chief Executive, a position he held till August 2006.
[6] He joined Tarmac Middle East in March 2009 as Regional Director.