2017: 'Professor M.R.D. Foot's SOE in France: Genesis, Controversy, and Legacy', Special Forces Club, London, 17 July 2017.
2017: 'Donald Trump and the Future of US/UK Intelligence', International Intelligence History Association Annual Conference, Washington DC, 31 March 2017.
2017: 'Oration for Dame Stella Rimington, Honorary Degree', Winter Degree Ceremony, Warwick University, 20 January 2017.
2016: 'Company Confessions: Hoover Book Soiree, Hoover Institution, Washington DC, 7 December 2016.
2016: 'New Directions in US Intelligence History: Heroism, Sacrifice, and Memory', SHAFR Annual Conference, San Diego, 24 June 2016.
2016: 'Ian Fleming and James Bond: Distinguishing Fact from Fiction', Edinburgh Spy Week, 12 April 2016.
2015: 'The End of Secrecy', Science, Security and the Future of Freedom, Institute of Advanced Study, Warwick University, 3 June 2015.
2015: “Another Set of Eyes”: The CIA’s Publications Review Board’, Conference on Secrecy, Openness and National Security: Lessons and Issues for the Next Administration, John Hopkins University, 27 April 2015.
2014: 'Nixon's Axe Man: CIA Director James Schlesinger', ISA 2014, Toronto (29 March 2014). Available as a pod-cast: http://www.youtube.com/watch?v=yjUX8Q7XGsA&list=PL8p1_ubNPTRkrUxiA3zhYLaNXUYB4Pu8e
2014: 'Things I've Learned from Tony Mendez', Toronto (28 March 2014).
2013: 'US Intelligence Whistleblowers: From Yardley to Snowden', Intelligence Seminar, Cambridge (8 November 2013).
2013: '50 Years of James Bond', Warwick Words Book Festival, 15 June 2013.
2013: 'Classified: Secrecy and the State in Modern Britain', Reform Club, London (7 June 2013).
2013: 'From Kew to Kansas: Researching British Intelligence in American Archives', ISA 2013, San Francisco (4 April 2013). Also Chair and Discussant on two other panels.
2013: 'Vetting SOE in France: Protecting Security or Reputations?', Study Group on Intelligence, RUSI, London (8 February 2013).
2012: 'Harry Chapman Pincher: Sleuthing the Secret State', Symposium: British Intelligence, Spooks and James Bond: A Diverse Approach to the Secret World, Aberystwyth University (4-5 May 2012).
2012: 'Landscapes of Secrecy: The Central Intelligence Agency and the Contested Record of US Foreign Policy', with Simon Willmetts, Intelligence Seminar, Cambridge (27 April 2012).
2012: 'The Last Assignment: David Atlee Phillips and the Birth of CIA Public Affairs', ISA 2012, San Diego (4 April 2012).
2012: 'The Last Assignment: David Atlee Phillips and the Birth of CIA Public Affairs', Study Group on Intelligence, RUSI, London (March 2012).
2011: 'Spy Fiction and the CIA', The Cold War: History, Memory and Representations, European Academy Berlin (14-17 July 2011).
2011: 'Ian Fleming, Spy Fiction and Public Perceptions of the Central Intelligence Agency', Public Lecture, Library of Congress (2 June 2011). Recorded for CSPAN.
2011: 'Memoirs and Memories', Landscapes of Secrecy Conference, University of Nottingham (29-30 April 2011).
2011: 'James Bond, Ian Fleming and the Public Profile of the Central Intelligence Agency', History Department's Annual Jacob Burckhardt Lecture, Carthage College (7 April 2011).
2010: 'A Look Over My Shoulder: CIA Director Richard Helms and the Writing of His Memoirs', Study Group on Intelligence, RUSI, London (26 November 2010).
2010: 'Remebering Espionage: The Spy Memoir as Historical Soure Material', Workshop: Intelligence Methodologies, The University of Aberystwyth (29-30 October 2010).
2010: 'Kim Philby and the Sunday Times Insight Investigation', The Study, in the Past and Present, of Security and Intelligence, The University of Birmingham (24 September 2010).
2010: 'Ian Fleming and the Early Historical Profile of the Central Intelligence Agency', Invited Public Lecture, The University of Osnabruck (17 June 2010).
2010: 'Ian Fleming and CIA Director Allen Dulles: The Very Best of Friends', 8th Annual Hawaii International Conference on Arts and Humanities, Honolulu, Hawaii (13-16 January 2010).
2009: 'James Bond and the Soviet Union: Representations and Reflections', Cold War Interactions Reconsidered, Aleksanteri Institute, The University of Helsinki (29-31 October 2009).
2009: 'In the Service of Empire: Imperialism and the British Spy Thriller 1901-1914', Intelligence and Empire, King's College, The University of Cambridge (24-5 April 2009).
2009: 'Spy and Tell: The CIA and Memoirs', The CIA and US Foreign Policy: Reform, Representations and New Approaches to Intelligence, Clinton Institute for American Studies, University College Dublin (20-1 February 2009).
2009: 'The Pursuit of Intelligence History: Sources, Methods and Trajectories', European Security, Terrorism and Intelligence: Past and Present, The University of Salford (29-30 January 2009).
2008: 'The Silent Enemy: Lionel 'Buster' Crabb and Cold War Culture', Security Studies Seminar, The University of Warwick (June 2008).
2007: 'The Riddle of the Frogman: Lionel 'Buster' Crabb and the Culture of Secrecy', The Institute of Historical Research (29 November 2007).
2007: 'Spooked: Cultures of Intelligence in Britain 1945-2007', The University of Warwick (12 May 2007), Conference Organiser.
2005: 'For Their Eyes Only: Whitehall and the Official Secrets Act 1911-1989', Arts Faculty Conference, The University of Warwick.