DBartowSesDennis has three decades of experience in national security and strategic policy. Most recently, Dennis served as a Deputy Assistant Secretary of Defense for African Affairs Policy, and as the DOD Director of the Office of Small Business Programs (OSBP), the Secretary of Defense’s lead for all DOD small business issues. He led the DOD’s effort to reform, innovate, and rebrand the way DOD does business. He is a serial entrepreneur and has started and run several successful businesses.