Maddy is Chief of Defence Nuclear/2PUS at the Ministry of Defence (MoD) and Additional Accounting Officer for the Defence Nuclear Organisation.
Between December 2020 and September 2022, she was Director General of the Vaccine Taskforce (VTF), a joint unit of BEIS and DHSC, responsible for securing COVID-19 vaccines for the UK, our international donation programme an working with industry to onshore vaccine production. She has made Companion of the Order of Bath for her work on the response to the COVID-19 pandemic.
Before her appointment as Director General in December 2020, Maddy was the lead negotiator for the VTF. Maddy was also the Director for the HRT Task Force for DHSC in 2022. Prior to this Maddy was a Director at UK Government Investments (UKGI) and a non-executive director of UK Export Finance.
Before joining the public sector, Maddy was a Managing Director and Head of UK Mergers and Acquisitions at the investment bank Credit Suisse. She is also a qualified lawyer, having studied law at Trinity College Cambridge and qualifying at Freshfields, working in London, Bangkok and New York.
Maddy was an Honorary Senior Visiting Fellow at the Faculty of Finance at Cass Business School between 2013 and 2016 and holds an honorary doctorate from Nottingham Trent University.
Chris Heffer became Director, Nuclear Power and Decommissioning at the Department for Business, Energy & Industrial Strategy (BEIS) on 31st August 2021.
Chris was previously the Deputy Trade Commissioner for North-East Asia based in the British Embassy in Tokyo for six years where he was responsible for Trade and Investment across all sectors, including Nuclear. Before that he worked in Strategy and Customer Insight roles in the Department for Business, Innovation and Skills, and Department of Health. He also led Drugs and
Alcohol Policy within the Public Health Directorate of the Health Department.
Prior to joining the Civil Service, Chris was a Senior Manager at Deloitte, working in variety of sectors, including Life Sciences, Manufacturing and Consumer Business in Japan, Germany, France and the US. He studied Engineering, Economics and Management at University, and was a Sponsored Engineer during that time at Ford Motor Company UK
Dr. Sarah B. Hiza is the vice president of Engineering & Technology at Lockheed Martin Rotary and Mission Systems (RMS). She currently leads a team of more than 14,000 engineers and scientists across the globe who are creating innovative technology solutions that advance deterrence and national security capabilities, such as helicopter programs, ship and aviation systems, cybersecurity, and C4ISR (Command, Control, Communications, Computers, Intelligence, Surveillance and Reconnaissance) systems.
Recently, Dr. Hiza served as the vice president and general manager of the Strategic and Missile Defence Systems line of business at Lockheed Martin. In that role, she led a team of over 6,500 employees across 18 U.S. and U.K. sites who delivered strategic deterrence, missile defense, and hypersonic strike solutions to support the most critical missions for the US and her allies. She has and currently served on various boards for Lockheed Martin UK, Lockheed Martin UK Strategic Systems, Ltd., the US Strategic Deterrent Coalition, and NOLS (National Outdoor Leadership School). Her technical expertise includes work in polymers and energetic materials, including explosives and rocket propellants, and missile and reentry hardware/subsystems.
