He is founder and CEO of the Island Networks group of companies, which runs the ccTLD registries of .gg (Bailiwick of Guernsey) and .je (Jersey). He was one of the first elected members of ICANN's Domain Name Supporting Organisation (DNSO) Council, representing the ccTLD constituency. The DNSO is the forerunner of today's GNSO and ccNSO.
Roberts began his career at the Digital Equipment Corporation (DEC). Before founding CHANNELISLES.NET in 1996, he worked for a number of companies and international organizations throughout Europe as an independent consultant/contractor, including BT, SWIFT, and the European Environment Agency in Denmark.
During his time at Essex, he played a minor role in one of the groups of students who created the world's first multi-user computer game. He is a Chartered Engineer.
He is an occasional radio presenter on QUAY-FM. Roberts has been involved with the Internet for so long that his very first email address, which was given as a "tourist on the ARPAnet," by MIT predated the DNS itself by several years and contained no dots, (NIGEL@MIT-AI).