Robert H Waterman Jr

Robert H Waterman is an internationally known business executive, speaker and author. He now directs his own company, The Waterman Group, after spending 21 years at the management consultancy firm McKinsey & Co.

Tony Juniper

Tony Juniper is an independent sustainability and environment adviser, including as Special Advisor with the Prince's Charities International Sustainability Unit and as a Senior Associate with the University of Cambridge Program for Sustainability Leadership. He is a founder member of the Robertsbridge Group that advises international companies. He speaks and writes on many aspects of sustainability and is the author of several books, including the award winning Parrots of the World, Spix's Macaw and How Many Light Bulbs Does It Take To Change A Planet? He was a co-author of Harmony, with HRH The Prince of Wales and Ian Skelly.
His book, What has Nature ever done for us? was published in January 2013. He began his career as an ornithologist, working with Birdlife International. From 1990 he worked at Friends of the Earth and was the organisation's executive director from 2003-2008 and was the Vice Chair of Friends of the Earth International from 2000-2008.
Follow Tony Juniper on Twitter @TonyJuniper

Jeff Kanipe

Jeff Kanipe is the author of Chasing Hubble's Shadow and Cosmic Connection.
Photo credit: Nancy November Sloane 2012

Eric Kaufmann

Eric Kaufmann is Professor of Politics at Birkbeck College, University of London. A visiting Fellow at the Kennedy School, Harvard, in 2008-9, he is the author of Shall the Religious Inherit the Earth (Profile 2010) and has written on religion and demography for Newsweek, Foreign Policy and Prospect, among others.

John Kay

Sir John Kay is one of Britain's leading economists. A Fellow of the British Academy and Royal Society of Edinburgh, he was the founding dean of the Oxford Business School and has held chairs at London Business School and LSE. He is a winner of the Senior Wincott Award for Financial Journalism for his Financial Times columns. Other People's Money won the Saltire Prize and was shortlisted for the Orwell Prize for Political Writing. His other books include Obliquity, The Long and Short of It, Greed is Dead and Radical Uncertainty.

Lucy Kellaway

Lucy Kellaway is the management columnist at the Financial Times and well known for her pointed commentaries on the limitations of modern corporate culture. She was Columnist of the Year 2006, and is the author of Sense and Nonsense in the Office and Martin Lukes: Who Moved My BlackBerry?

Tom Kelley

Tom Kelley is the best-selling author of Creative Confidence, The Art of Innovation and The Ten Faces of Innovation as well as a partner at the renowned design and innovation consultancy IDEO. As a leading innovation speaker, Tom has addressed business audiences in more than thirty countries. Tom is an Executive Fellow at the Haas School of Business at UC Berkeley and holds a similar role at the University of Tokyo.

Martin Kemp

Martin Kemp is Emeritus Professor of the History of Art, Oxford University and a world-renowned authority on Leonardo da Vinci. He is the author of Christ to Coke: How Image Becomes Icon, Leonardo da Vinci: The Marvellous Works of Nature and Man and The Science of Art: Optical Themes in Western Art from Brunelleschi to Seurat amongst others.
Art in History is part of the Ideas in Profile series, and is available as an animated ebook with animations by Cognitive Media.

Annette Kehnel

Professor Annette Kehnel studied History and Biology at the University of Freiburg, Sommerville College, Oxford and LMU in Munich. She received her doctorate from Trinity College, Dublin for her research on Irish convent communities and taught at the TU Dresden, where she received her post-doctorate in 2004. Since 2005 she has held a chair in Medieval History at the University of Mannheim. She has published numerous works on her main topics of research: cultural and economic history and historical anthropology.

Marjoleine Kars

Marjoleine Kars teaches history at the Massachusetts Institute of Technology. A noted historian of slavery, she is also the author of Breaking Loose Together: The Regulator Rebellion in Pre-Revolutionary North Carolina. She lives in Cambridge, Massachusetts.

Kaja Kallas

Kaja Kallas has been the Prime Minister of Estonia since 2021, the first woman to serve in the role. The leader of Estonia's Reform Party since 2018, she was a member of the European Parliament between 2014 and 2018. Before entering politics, she was a lawyer specialising in European competition law.

G. T. Karber

G. T. Karber is the award-winning creator of Murdle, the global bestselling puzzle sensation. He grew up in Arkansas, the son of a judge and a civil rights attorney, and graduated summa cum laude from the University of Arkansas with a degree in mathematics and English literature, before gaining an MFA from the University of Southern California's School of Cinematic Arts. His books have sold in over thirty languages and he is one of only three non-British authors ever to have published a no. 1 Christmas bestseller in the UK.