Tom Riordan joined HM Treasury as government envoy for the Northern Growth Corridor (NGC) in November 2025, working collaboratively with NGC mayors, local authorities and business to deliver lasting change through growth. His first few months in the role have included major announcements on Northern Powerhouse Rail and fiscal devolution. He also holds a non-executive director role with the National Wealth Fund.  

Previously, he worked at the Department of Health and Social Care as Second Permanent Secretary from September 2024 - where he led on the 10 Year Health Plan and adult social care, among other government priorities.   

Prior to this appointment, he was the Chief Executive of Leeds City Council for 14 years, during which time he led the transformation of Leeds city centre, the building of twenty five thousand new homes, the achievement  of outstanding children’s services and the pioneering Home First adult social care programme.  

Tom's earlier career included his role as Chief Executive of Yorkshire Forward between 2005 and 2010, and roles in international environmental policy in the Department for Environment.