• David Aaronovitch

    David Aaronovitch is a writer, broadcaster and commentator on international politics and the media.

  • Bas van Abel

    Bas van Abel, founder of Fairphone

  • John A Adam

    John A. Adam is professor of mathematics at Old Dominion University.

  • John Adams

    John Adams is one of America's most admired and respected composers.

  • Ade Adepitan

    Ade Adepitan is a paralympic athlete.

  • Chimamanda Ngozi Adichie

    Chimamanda Ngozi Adichie is an award-winning novelist and author of Half of A Yellow Sun and Americanah

  • Lord Adonis

    Lord Adonis is a politician, academic and journalist.

  • Anwar Akhtar

    Anwar Akhtar is Director of The Samosa.

  • Jim Al-Khalili

    Jim Al-Khalili OBE is a theoretical physicist, author and broadcaster.

  • Dr Naif Al-Mutawa

    Dr Naif Al-Mutawa is the Founder AND CEO of Teshkeel Media Group, for whom he created THE 99, the first group of comic superheroes born of an Islamic archetype.

  • David Albury

    David Albury is design and development director, GELP

  • Dr Charlie Alcock

    Dr Charlie Alcock, founder MAC-UK

  • Hugh Aldersey-Williams

    Hugh Aldersey-Williams is a writer and curator with interests ranging from science to architecture and design.

  • Rt Hon Douglas Alexander MP

    Douglas Alexander is the Secretary of State for International Development

  • Bruce Alexander

    Bruce Alexander is a Canadian psychologist who has devoted his entire career to the study of addiction.

  • Jeffrey C Alexander

    Jeffrey C. Alexander is Lillian Chavenson Saden Professor of Sociology at Yale University, and is widely recognised as one of the world’s leading social theorists.

  • Jon Alexander

    Jon Alexander is the co-author of the WWF-UK / PIRC report "Think of Me as Evil? Opening the Ethical Debates in Advertising"

  • Yasmin Alibhai-Brown

    Yasmin Alibhai Brown is a journalist and a regular columnist on The Independent and London’s Evening Standard.

  • Clare Allan

    Clare Allan is a Guardian Society columnist on mental health issues, and is the author of the bestselling Poppy Shakespeare.

  • Ali A Allawi

    Ali A Allawi is a senior adviser to the Prime Minister of Iraq.

  • Candace Allen

    A native of New England, Candace Allen became the first African-American female member of the Directors Guild of America after graduating from Harvard and attending the New York University School of Film and Television.

  • Ellah Allfrey

    Ellah Allfrey, OBE is Deputy Editor of Granta magazine.

  • Paul Allin

    Paul Allin heads one of the analysis and reporting divisions in the UK Office for National Statistics.

  • Eric Allison

    Eric Allison is the Guardian’s prison correspondent.

  • Dr Ben Ambridge

    Ben Ambridge is Senior Lecturer in Psychology at the University of Liverpool.

  • Martin Amis

    Martin Amis is one of Britain’s most highly-regarded authors.

  • Tahmima Anam

    Tahmima Anam is a novelist and columnist.

  • Chris Anderson

    Chris Anderson is the Editor-in-chief of Wired magazine, and the author of the internationally acclaimed The Long Tail

  • James Anderson

    James Anderson is partner and manager at Baillie Gifford

  • Professor June Andrews

    Professor June Andrews is the Director of the Dementia Services Development Centre in the Department of Applied Social Science at the University of Stirling, Scotland.

  • Simon Antrobus

    Simon Antrobus is Chief Executive of Addaction

  • Lisa Appignanesi

    Lisa Appignanesi is a novelist, writer, and broadcaster.

  • Anne Applebaum

    Anne Applebaum is a Washington Post columnist and a Pulitzer-prize winning author and leading commentator on International Affairs and a frequent speaker and moderator at international forums.

  • Bryan Appleyard

    Bryan Appleyard is a journalist and special feature writer for the The Sunday Times and author of How to Live Forever or Die Trying (Simon & Schuster).

  • Dr Terri Apter

    Terri Apter, Ph.D. is a psychologist and writer and Senior Tutor at Newnham College, Cambridge. Her books on family dynamics, identity and relationships received international acclaim.

  • Dan Ariely

    Dan Ariely is the James B. Duke Professor of Psychology & Behavioural Economics at Duke University, and is dedicated to helping people live more sensible – if not rational – lives.

  • Tom Armitage

    Tom Armitage is a freelance technologist, writer, and designer.

  • Claire Armitstead

    Claire Armitstead is the Guardian's literary editor.

  • Franny Armstrong

    Franny Armstrong is the director of The Age of Stupid

  • Jesse Armstrong

    Jesse Armstrong is the co-writer of Peep Show, Four Lions (Feature, Dir. Chris Morris), That Mitchell and Webb Look, The Thick of It with Sam Bain.

  • John Armstrong

    John Armstrong is a philosopher and has been recently appointed Philosopher-in-Residence at the Melbourne Business School.

  • Karen Armstrong

    Karen Armstrong is a distinguished author of many bestselling and influential books on comparative religion, and instigator of the interfaith initiative ‘The Charter for Compassion

  • Rachel Armstrong

    Rachel Armstrong is Co-Director of AVATAR (Advanced Virtual and Technological Architectural Research) in Architecture & Synthetic Biology at The School of Architecture & Construction, University of Greenwich, London.

  • Stephen Armstrong

    Stephen Armstrong is a journalist he writes for the Guardian, the Sunday Times, GQ, Elle, Wallpaper and the New Statesman.

  • Dr Ken Arnold

    Dr Ken Arnold is the Head of Public Programmes at the Wellcome Trust.

  • Muhammad Nurayn Ashafa

    Muhammad Nurayn Ashafa is known for his work in peace building.

  • Rebecca Asher

    Rebecca Asher has worked in television news and current affairs and as the Deputy Editor of Woman’s Hour and an Executive Producer at BBC Radio 4.

  • Jackie Ashley

    Jackie Ashley is a Guardian columnist and political interviewer.

  • John Ashton CBE

    John Ashton CBE was the Special Representative for Climate Change at the UK Foreign and Commonwealth Office between 2006 and 2012 and is a founding director of E3G

  • Assa Ashuach

    Assa Ashuach is a products designer focus on industrial social innovation. Owner of Assa studio, founder of Digital Forming ltd and a leader of the MA Design Suite at London Metropolitan University.

  • Reza Aslan

    Dr. Reza Aslan, an internationally acclaimed writer and scholar of religions, is a columnist at the Daily Beast.

  • Clive Aslet

    Clive Aslet is an award-winning writer and journalist, acknowledged as a leading authority on Britain and its way of life. In 1977 he joined the magazine Country Life, was for 13 years its Editor and is now Editor at Large.

  • Graeme Atherton

    Dr Graeme Atherton is the Director of the Aimhigher WECAN London Partnership

  • Andy Atkins

    Andy Atkins is Executive Director of Friends of the Earth, the charity campaigning for solutions to environmental problems.

  • Anne Atkins

    Anne Atkins is a journalist, writer and commentator.

  • Jane Atkinson

    Jane Atkinson is the Founder Director and Director of Dfuse CIC and Dfuse Charity.

  • Maggie Atkinson

    Maggie Atkinson is the children's commissioner for England.

  • William Atkinson

    Sir William Atkinson is the Executive Headteacher of Phoenix High School.

  • Scott Atran

    Scott Atran is a director of research in anthropology at the National Centre for Scientific Research in Paris, France.

  • Sir David Attenborough

    Sir David Attenborough is Britain's best-known natural history film-maker. His career as a naturalist and broadcaster has spanned nearly five decades and there are very few places on the globe that he has not visited.

  • Abdel Bari Atwan

    Abdel Bari Atwan is the editor-in chief of the London based pan-Arab newspaper Al-Quds Al-Arabi.

  • Margaret Atwood

    Margaret Atwood is poet, novelist and literary critic and is vice president of PEN International.

  • Rob Auton

    Rob Auton is a York-born writer and performer.

  • Sir Al Aynsley-Green

    Professor Sir Al Aynsley-Green is the former Children’s Commissioner for England.

  • Professor Ian Ayres

    Ian Ayres is William K. Townsend Professor at Yale Law School, best-selling author, co-founder of stickK.com, columnist for Forbes and the Freakonomics blog

  • Dr Maha Azzam

    Dr Maha Azzam is an Associate Fellow, Middle East and North Africa Programme at Chatham House