Mr. Langbehn leads the Homeland Security Studies and Analysis Institute’s Threat and Risk Analysis Division, which works to improve the nation’s understanding of adversaries’ organization, capabilities, and operations and support mechanisms, and to inform strategic planning and development of effective countermeasures. He has helped develop a prototype methodology and model for DHS-wide risk analysis, conducted a baseline assessment of FEMA’s federal workforce and future workforce requirements, and verified and validated the Transportation Security Administration’s risk modeling methodology. 

Mr. Langbehn has more than 25 years' experience, primarily in the U.S. Air Force and the Department of Defense. His areas of expertise include modeling and simulation, policy development, force structure studies, operations and risk analysis, and workforce assessments. Prior to joining HSSAI, Mr. Langbehn was a manager and senior analyst for DFI Government Services and L-3 Communications, supporting clients in the Joint Staff, Air Staff, Office of the Secretary of Defense, and DHS. During his Air Force career he helped develop and execute the Joint Staff’s Forces Division analyses during the 2001 Quadrennial Defense Review; led the analysis for the Active/Reserve Component Mix study; conceived and directed development of the Joint Staff’s Force Structure Screening Tool; wrote the Air Force policy on modeling  and simulation support to acquisition; originated the Air Force Standard Analysis Toolkit; and developed the Field Command Defense Nuclear Agency’s Analytic Center, to answer operational questions on nuclear, chemical, and biological weapons effects. 

He has a bachelor of science from Gonzaga University in physics, a bachelor of science in aerospace engineering from Parks College of St. Louis University, and a master of science in operations research (strategic and tactical sciences) from the Air Force Institute of Technology.