Hulsman writes for the Aspen Institute of Italy and is Senior Research Fellow at the Hague Centre for Strategic Studies. He used to write for the Heritage Foundation and he was a Senior Research Fellow in International Relations there. He is president and co-founder of John C. Hulsman Enterprises, an international relations consulting firm. He has taught European Security Studies at the Johns Hopkins School of Advanced International Studies (SAIS), and world politics and U.S. foreign policy at the University of St. Andrews, Scotland.
Hulsman is the author of the books Ethical Realism, The Godfather Doctrine, and a biography of Lawrence of Arabia titled To Begin the World Over Again. He has been interviewed on C-SPAN, The Daily Show with Jon Stewart, ABC, CBS, Fox News, CNN, MSNBC, PBS, and the BBC.