Matthew Sherman (born December 30, 1971) is a foreign affairs practitioner who has served as a senior advisor to the United States Department of State and Defense. Cumulatively, he deployed to Iraq and Afghanistan for nearly a decade, making him one of the longest serving U.S. government officials to support both conflicts. Mr. Sherman’s last overseas assignment was to Afghanistan for nearly three and a half years as a civilian advisor to numerous operational and strategic military commanders. Most recently, until March 2016, he was the Political Advisor to the Resolute Support Commander, General John F. Campbell.