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 heritage construction programmes, balancing technical complexity, governance, risk, stakeholder confidence and long-term value. Her career includes senior roles overseeing major capital portfolios, including Parliament’s Security Portfolio, Highways England programmes and Transport for London investment delivery. 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, Catherine is recognised for strategic clarity, collaborative leadership and constructive challenge at board level. She also serves as a Non-Executive Director at St Martin-in-the-Fields and a member of the east West Rail Expert Panel.