NIS Staff

David Cullen

NIS Director

David joined Nuclear Information Service in 2016 as Director, main researcher and spokesperson, he is the author of several reports including Trouble Ahead: Risks and rising costs in the UK nuclear weapons programme, 2019, and edited the 2021 briefing Nuclear Weapon Modernisation: Attitudes of non-nuclear weapon states. He has a background in environmental, social justice and disarmament campaigning and previously worked for six years for the International Coalition to Ban Uranium Weapons. He is currently a Trustee for the Conflict and Environment Observatory.

Trish Whitham

NIS Co-ordinator

Trish has been working with NIS since 2010. She combines senior marketing and management experience gained in the IT industry with more than 20 years campaigning experience on nuclear, peace and environmental issues. Her work with Nuclear Information Service includes planning and executing projects and events, communications, fund raising and volunteer co-ordination.


Preeti Anchan

NIS Volunteer

Preeti Anchan joined NIS as a volunteer in 2018. She brings experience in IT and administration and assists NIS with research, analysis and administration development.

Venny Cardoz

NIS Volunteer

Venny joined NIS as a volunteer in 2019. She brings accounts and administration experience to the team and assists NIS with research and administration.

NIS Board Members

Duncan Barnet

NIS Company Secretary

Duncan is a retired ACMA qualified accountant with 16 years experience in industry followed by over 25 years in the voluntary sector. He is the Nuclear Information Service Company Secretary, providing financial management advice and ensuring that company legal and governance obligations are met.

Kirsten Bayes

NIS Vice Chair of the board

Kirsten is a regular speaker and steering committee member for Campaign Against Arms Trade (CAAT). Kirsten worked in industry as an industrial marketer and technologist, before setting up a small business in 2016. She has also worked as a business school lecturer, and as an outreach campaigner for CAAT. She is on the boards of several non-profits, including Secure Active CIC and Reading Pride and is a former councillor and Deputy Leader of Reading Borough Council.

Ailsa Johnson

NIS Chair of the board

Ailsa has been a grassroots campaigner for 30 years at a local and national level with various groups such as CND, Surrey Peace Action Network and Aldermaston Womens Peace Camp.

Di McDonald

NIS Board Member and Founder

Di founded Nuclear Information Service to provide information on nuclear issues after living at Greenham Common Women’s Peace Camp and working with Cruisewatch in the 1980s. She retired as our Project Director in 2009 and now brings a wealth of network contacts to the organisation through her previous roles in The Submarine Dismantling Project, Nuclear Submarine Forum, Solent Coalition Against Nuclear Ships, Peacerights and her continuing support for Nukewatch.

Tim Street

NIS Board Member

Tim is a board member at Nuclear Information Service and Secretary of British Pugwash. He has been working on peace and disarmament issues since 2005. He has worked with Campaign Against Arms Trade, the International Campaign to Abolish Nuclear Weapons, British American Security Information Council, Oxford Research Group, Conscience, the Campaign to Stop Killer Robots and Drone Wars UK. Tim completed his PhD exploring the politics of nuclear disarmament at Warwick University in 2017 and his first book, entitled The Politics of Nuclear Disarmament, was published by Routledge in 2021. The book was the subject of a NIS webinar with Professor Paul Rogers, Bradford University, Alicia Sanders-Zakre, ICAN and Henrietta Wilson, SOAS.

NIS Patrons

Jonathon Porritt

NIS Patron

Jonathon Porritt is a co-founder of Forum for the Future, former director of Friends of the Earth UK (1984 – 1990), and a former co-chair of the Green Party (1980 – 1983). He stood down as Chairman of the UK Sustainable Development Commission in July 2009 after nine years of providing high-level advice to government ministers, and was installed as the Chancellor of Keele University in February 2012. Jonathon received a CBE in January 2000 for services to environmental protection.

Nick Ritchie

NIS Patron

Nick researches and teaches in international relations and international security at the University of York, and previously ran the ‘Nuclear Armed Britain’ programme at the University of Bradford, examining progressive options for British nuclear weapons policy on a path towards nuclear disarmament.

John Downer

NIS Patron

John researches and teaches on matters pertaining to risk, technology and science at the University of Bristol’s department of Sociology, Politics and International Studies. He primarily writes on US and UK debates around the safety and integrity of reactors and deterrence networks, and on the politics and sociology of radiological hazard assessments. His central interest is in the nature and role of expert knowledge in these debates, and the ways it is invoked by political actors.

Phil Johnstone

NIS Patron

Phil Johnstone is a research fellow at the Science Policy Research Unit (SPRU), University of Sussex. He obtained his PhD from the University of Exeter in 2013. Phil is a member of the Sussex Energy Group, and his research and writing broadly focusses on the political and democratic implications of energy transitions and the role of the military and warfare in technological development and innovation. He has a long-standing interest in nuclear power with research spanning a range of civil and military nuclear developments.

Andy Stirling

NIS Patron

Andy Stirling is Professor of Science and Technology Policy at the Science Policy Research Unit at the University of Sussex, where he co-directs the ‘STEPS Centre’. Working on issues of power, uncertainty and diversity in science and technology, he has served on a number of UK and EU governmental advisory committees

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