Marsden first contested the seat of Blackpool South in
1992 and won it in
1997. Once elected to Parliament, he served as
Parliamentary Private Secretary to
Lord Irvine of Lairg in the
Lord Chancellor's Department (2001–03),
Tessa Jowell as
Secretary of State for Culture, Media and Sport (2003–05) and
John Denham as
Secretary of State for Communities and Local Government and shadow communities secretary (2009–10). In 2003, he was made a Visiting Parliamentary Fellow of
St Antony's College, Oxford. Marsden sat as a member of the
House of Commons Innovation, Universities, Science and Skills Committee and
Education and Skills Select Committee, until it was dissolved in 2007. In May 2010, Marsden was given his first shadow ministerial brief, by acting leader
Harriet Harman, as Shadow Minister for Further Education, Skills and Regional Growth. He remained in post following
Ed Miliband's election as Labour leader, but was appointed as a Shadow Minister for Transport in the October 2013 Labour frontbench reshuffle. Following Jeremy Corbyn's election as Labour leader in September 2015, Marsden readopted his former Further Education and Skills briefs as Shadow Minister for Higher Education, Further Education and Skills. In his new position, he succeeded Shadow Universities Minister
Liam Byrne and Shadow Further Education and Skills Minister
Yvonne Fovargue. He was Chair of the Associate Parliamentary Skills Group and of the All-Party Parliamentary Group for Veterans. ==Fabian Society==