Mark Cancian (Colonel, USMCR, ret.) is a senior adviser with the CSIS International Security Program. Previously he worked on budget strategy, war funding, and procurement programs at the Office of Management and Budget and the Department of Defense. In the military, Colonel Cancian spent over three decades in the U.S. Marine Corps, active and reserve, serving as an infantry, artillery, and civil affairs officer and on overseas tours in Vietnam, Desert Storm, and Iraq (twice). Since 2000, he has been an adjunct faculty member at the Johns Hopkins School of Advanced International Studies, where he teaches a course on the connection between policy and analysis. A prolific author, he has published over 40 articles on military operations, acquisition, budgets, and strategy and received numerous writing awards. He graduated with high honors from Harvard College and with highest honors from Harvard Business School.