Mr. De Silva is the secretary general of the National Olympic Committee of Sri Lanka. He has been a lynchpin of the body for close to two decades. Been closely involved with both the Sri Lanka Tennis Association and the Sri Lanka Judo Association. Has represented the NOC at international forums like the International Olympic Council Sports Conference, OCA meetings, ANOC etc. Currently the director of the National Olympic Academy of Sri Lanka. He has been the chef de mission at the 2006 Commonwealth Games in Melbourne and the 2006 Asian Games in Doha. Professionally, Mr. De Silva is a chartered shipbroker and has been a stalwart of the shipping industry. Was a recipient of the Lanka Thilaka Award presented by the President of Sri Lanka for outstanding contribution to the shipping industry in Sri Lanka for education.