Nick Walker worked for the House of Commons for 30 years, leaving at the end of 2017. During his career he clerked the Agriculture Committee, the Joint Committee on Human Rights and the Justice Committee. He worked in each of the three main procedural offices in the Commons: the Journal Office, Table Office and Public Bill Office. Between 2001 and 2004 he was based in Brussels as the UK National Parliament Representative to the EU; and he also served for two years as Director of Departmental Services, dealing with HR and financial matters.
His career gave him experience of all aspects of parliamentary legislative, scrutiny, political and administrative processes, at Westminster and elsewhere, and he undertook parliamentary strengthening work with Members and parliamentary officials in a range of Commonwealth countries. With GPG he has worked on projects in Sudan, Uzbekistan, Malawi and Iraq. He has volunteered as an independent prison monitor in London and in Scotland, acted as an election observer in the UK, and interviewed former MPs for the History of Parliament Trust.