Dr. James E. Coolahan Chief Technology Officer Coolahan Associates, LLC 3013 Boones Lane Ellicott City, MD 21042 jim.coolahan@comcast.net 410-440-2425 (cell) SUMMARY Dr. James E. Coolahan is the Chief Technology Officer of Coolahan Associates, LLC, having retired from full-time employment at the Johns Hopkins University Applied Physics Laboratory (JHU/APL) in December 2012 after 40 years of service. Within Coolahan Associates, Dr. Coolahan teaches short courses on digital engineering and on modeling and simulation (M&S) in systems engineering, and provides consulting services in the U.S. defense industry. He chaired the M&S Committee of the Systems Engineering Division of the National Defense Industrial Association from 2010 through 2016, and teaches courses in digital engineering and in modeling and simulation for systems engineering in the JHU Engineering for Professionals M.S. program in Systems Engineering, for which he also serves as Outreach Manager. He holds B.S. and M.S. degrees in aerospace engineering from the University of Notre Dame and the Catholic University of America, respectively, and M.S. and Ph.D. degrees in computer science from JHU and the University of Maryland, respectively. Dr. Coolahan has a technical background in M&S, computer simulation systems/architectures, real-time data acquisition systems, systems and software engineering, aerospace engineering, and missile system test and evaluation (T&E). He has program management experience as a project manager, program manager, and program area manager; line supervisory experience as a group supervisor and a branch supervisor; and corporate staff experience. Dr. Coolahan also served as a member of the National Research Council (NRC) Committee on Modeling and Simulation Enhancements for 21st Century Manufacturing and Acquisition in 2000-2002.