Provost of Gresham College in the City of London and Regius Professor Emeritus of History at the University of Cambridge.
He is the author of numerous books on modern German and European History, including Death in Hamburg: Society and Politics in the Cholera Years 1830-1910, which won the Wolfson History Prize.
His most recent books are ‘The Pursuit of Power: Europe 1815-1914’, a volume in the Penguin History of Europe, and ‘Eric Hobsbawm: A Life in History’, published in February 2019.
From 2010 to 2017 he was President of Wolfson College, Cambridge.
He was knighted in 2012 for services to scholarship.
He is a Fellow of the British Academy, the Royal Society of Literature and the Learned Society of Wales, and the holder of honorary degrees from the Universities of Oxford and London.