By BPP Learning Media
By E. Wainright Martin, Daniel W. DeHayes, Jeffrey A. Hoffer, William C. Perkins
By Patrick Ellis
By Stephen Gruneberg
By Maureen Covell
By Gleeson, Kerry
By John Browne (The Lord Browne of Madingley)
By Hertie School of Governance (Hertie School of Governance, Berlin, Germany)
By Neil Carter (University of York)
By Robert Louis Stein
By Susan Heal
By Jane I. Guyer
By Ellie Tragakes
By W. W. Rostow
By Blink, Jocelyn
By Ziogas, Constantine
By Hoang, Paul
By Lloyd G. Reynolds
By Jeffrey Herbst
By Deutsch
By King, Jeff, Kelly, John
By Geoffrey Wheatcroft
By D. Shaw
By Arun Sundararajan (NYU Stern School of Business)
By Bonnie Campbell
By Marshall Goldsmith, Mark Reiter
By D. Hulme