 From April 2003, Momtaz advised London governance for over eight years in City Hall, providing strategic and operational media relations counsel to Mayor of London Ken Livingstone for five years, until Boris Johnson took over in 2008.She then continued at City Hall and advised Johnson and his administration until September 2011.During her time at the Greater London Authority (GLA), Momtaz devised and executed wide-ranging and targeted media strategies, advised on interview bids for the Mayor, high-profile policing and crime issues, sensitive community engagement issues as well as regularly briefing the Mayor himself and his top team.