 Starting in 2010, he was reappointed as co-chair of the W3C Forms Working Group, and he has continued since 2015 as a member of the W3C XForms Users Community Group.In addition to his substantial contributions to web standards, Pemberton was also one of the developers of the ABC programming language and of the Views System, an open-architecture user interface system and application environment.He also implemented ALGOL 68 for the Manchester MU5 Computer.