Catherine Hallett CEng FICE FAPM is an Executive Director and Chartered Civil Engineer with extensive experience leading complex construction, infrastructure and transport programmes. As Programme and Assurance Director for Parliament’s Restoration and Renewal scheme, she brings senior oversight to one of the UK’s most demanding major programmes, balancing technical complexity, governance, risk, stakeholder confidence and long-term value. Her career includes senior roles overseeing major capital portfolios, including as Sponsorship Director for Highways England’s £6bn regional portfolio and she had a long stint at Transport for London in their investment delivery in road tunnels and trams. She has led multidisciplinary teams through business case development, delivery assurance, operational readiness and organisational change. A Fellow of both the Institution of Civil Engineers and the Association for Project Management. She also serves as a Non-Executive Director at St Martin-in-the-Fields and a member of the East West Rail Expert Panel.