Scott Sacknoff began his career developing and testing next generation Space Shuttle engine components before shifting to policy, finance, and commercial space assignments for NASA, DoD, private sector contractors, and the investment community. As a consultant and entrepreneur he authored the "State of the Space Industry" for many years and founded the International Space Business Council to promote commercial space opportunities. Today he serves as the publisher of the history journal, "Quest: The History of Spaceflight" and its spacehistory101.com website, manages the Space Business & Commerce Archives, and manages the SPADE Defense Index, the underlying benchmark for the Powershares Aerospace & Defense ETF (NYSE: PPA).