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Alejandro S Hernandez

Associate Chair
Systems Engineering

Phone: (831) 656-3823


Alejandro (Andy) Hernandez is an Associate Professor in the Systems Engineering Department at Naval Postgraduate School in Monterey, California. He holds a B.S. in Civil Engineering from the U.S. Military Academy, a M.S. and Ph.D in Operations Research from NPS, and a M.A. in Strategic Studies from the Army War College. He is a retired Army officer whose assignments include Director of Analysis & Assessment – Iraq, and Chief of the Warfighting Analysis Division in the Department of the Army Programs and Resources Directorate. Dr. Hernandez focuses on developing robust decision support systems that improve design, development, operation, and management of complex systems. He applies modeling and simulation, experimentation, and scenario methodologies in his efforts. His studies are inherently cross-disciplinary and promote systems thinking.
NPS Experience
  • 2011 - current: Associate Professor
Other Experience
  • 2013 Deputy Director, NPS Simulation Experiments and Efficient Design Center
  • 2013 - 2014 Program Manager, NPS Naval Research Program
  • 2011 Adjunct Professor, California State University Monterey Bay, Executive MBA Program, School of Business
  • 2010 - 2011 Chief, Deputy Chief of Staff, G-8, D.C., Warfighting Analysis Division
  • 2009 - 2010 Chief, United States Forces - Iraq, Iraq, Analysis & Assessments, J-9
  • 2005 - 2009 Director of Wargaming, Senior Operations Research/Systems Analyst, NPS
  • 2000 - 2002 Adjunct Lecturer, School of Professional & Graduate Studies, Baker University, KS
  • 2000 - 2002 Senior Analyst, Fort Leavenworth, KS
  • 1997 - 2000 Program Manager, Joint Warfighting Center, Suffolk, VA
  • 1994 - 1997 Systems Analyst, Defense Evaluation Support Activity, Albuquerque, NM
Research Interests
• Design and Development of Decision Support Systems – improve decision making processes for system design, development, operations, and management.
• Improvement of Simulation Based Events – engineer computer assisted wargames, exercises, experiments, and tests for more effective analysis and achievement of event objectives.
• Integration and Application of Wargames and Computer Experimentation – support decision makers with innovative approaches to complex problems.
Teaching Interests
System Engineering, Operations Research / Systems Analysis
Wargames for Complex Systems Analysis and Business
Probability and Statistics
Test & Evaluation (Operational)


  • 2013 - Navy Meritorious Civilian Service Medal

Boards, Memberships, & Certifications

Professional Memberships
  • International Council on Systems Engineering
  • Military Operations Research Society
  • Naval Postgraduate School Foundation
  • Society of American Military Engineers
  • United States Military Academy West Point Society

Scholarly Work

  • Book Chapters
  • Hodicky, J., & Hernandez, A. S, (2022). Wargaming, Automation, and Military Experimentation to Quantitatively and Qualitatively Inform Decision Making.
  • Hernandez, A. S., & Spence, L. R, (2019). An Integrated Approach for Educating the Marine Forces Reserve Inspector-Instructor Cadre. Springer.
  • Hernandez, A. S, (2018). Development of a New Course in Research Methods Based on Engineering Reasoning. Reading United Kingdom: Academic Conferences and Publishing International Limited.
  • Hernandez, A. S., Nannini, C., & Ouellet, J, (2015). Circular Logic and Constant Progress: IW Assessments in Afghanistan.
  • Conference Proceedings
  • Hernandez, A. S, Structuring Complex or Wicked Problems: A Multimethod Approach in Practice.
  • Hernandez, A. S, Improved Problem Structuring through Extended Computer-Aided Morphological Analysis.
  • Hernandez, A. S., Pollman, A. G., Mcdonald, M. L., & Mislick, K, (2022). An Analytical Approach for Managing Integration of New Technologies.
  • Pollman, A. G., Hernandez, A. S., Allen, R., Boatwright, M., Hughes, S., McCune, S., Pfiester, J., & Hatch, W. D, (2021). Structured Method for Selection of Stakeholder Management Technique for the U.S. Navy’s Sail Training Craft.
  • Torosyan, M., Pollman, A. G., Hernandez, A. S., & Gannon, A. J, (2021). Performance and Complexity Trade Study of Candidate Liquid Air Generation Techniques.
  • Swanson, M., Pollman, A. G., & Hernandez, A. S, (2021). Experimental Evaluation of Dewar Volume & Cryocooler Cold Finger Size in a Small-scale Stirling Liquid Air Energy Storage System.
  • Girouard, C. M., Pollman, A. G., & Hernandez, A. S, (2020). Yield and Empirical Relationship for a Stirling Cryocooler Liquid Air Energy Storage System.
  • Bush, R., Carlos, S., Dean, E., Kim, E., Miranda, A., Semmens, R., Shattuck, L. G., Dillard, J. T., & Hernandez, A. S, (2020). Is That What I Think It Is? Impact of Screen Size on User Ability to Identify Human Activities.
  • Whitcomb, C. A., & Hernandez, A. S, (2019). Latin Hypercube Sampling Strategies Applied to Set-Based Design.
  • Luqi, L., Boger, D. C., Paduan, J. D., Dell, R. F., Dinolt, G. W., Fouts, D. J., Buettner, R. R., Piombo, J. R., Miller, S. A., Newman, J. H., Kelly, R., Dampier, D., Drummond, J., Berzins, V. A., Hernandez, A. S., Monaco, J., Davis, D. T., Bjørner, N., Lange, D., Smith, B., Durbin, R., Weaver, N., Noble, B., Hayne, S., Akil, A., Runde, S. M., Gallup, S. P., Roof, W., Fitzpatrick, C. R., Balogh, I. L., Emmersen, T., Tortora, P., Comey, J., Bingham, B. S., O'Halloran, B. M., & Wood, B. P, (2019). Proceedings of the 20th Monterey Workshop.
  • Berzins, V. A., & Hernandez, A. S, (2019). Risk-Based Testing for UAV with Munitions.
  • Giruoard, C., Pollman, A. G., & Hernandez, A. S, (2019). Modeling and Simulation Informed Conceptual Design, Analysis, and Initial Component Selection of a Supply-side Building-scale LAES System for Renewable, Islanded Mircorgrid Resiliency.
  • Willis, R. M., Pollman, A. G., Gannon, A. J., & Hernandez, A. S, (2019). Modeling of a Building Scale Liquid Air Energy Storage and Expansion System with ASPEN HYSYS.
  • Hernandez, A. S., Hatch, W. D., Pollman, A. G., & Upton, S. C, (2018). Computer Experimentation and Scenario Methodologies to Support Integration and Operations Phases of Mission Engineering and Analysis.
  • Whitcomb, C. A., & Hernandez, A. S, (2018). A Set-Based Thinking and Engineering Reasoning Approach to Set-Based Design.
  • Hernandez, A. S, (2018). A Set-Based Thinking and Engineering Reasoning Approach to Set-Based Design.
  • Hernandez, A. S, (2018). An Engineering Reasoning-Based Course on Research Methodologies for Systems Engineers.
  • Willis, R., Pollman, A. G., Gannon, A. J., & Hernandez, A. S, (2018). Preliminary Modeling of a Building-scale Liquid Air Energy Storage System with Aspen HYSYS.
  • Sleevi, N., Hernandez, A. S., Cerri, T., Laster, N., Johnson, A., & Hall, S, (2017). Simulation of Non-Combatant Population Movement in the Battlespace.
  • Hernandez, A. S., Karimova, T., & Nelson, D, (2017). Mission Engineering and Analysis: Innovations in the Military Decision Making Process.
  • Whitcomb, C. A., & Hernandez, A. S, (2017). Engineering Reasoning in Set-Based Design.
  • Whitcomb, C., & Hernandez, A. S, (2017). Engineering Reasoning in Set-Based Design.
  • Gillespie, S. E., Giachetti, R. E., Hernandez, A. S., Beery, P. T., & Paulo, E. P, (2017). System of Systems Architecture Feasibility Analysis to Support Tradespace Exploration.
  • Hernandez, A. S, (2017). Advancements in Scenario-Based Learning through Quantification of Wargame Techniques.
  • Gillespie, S., Giachetto, R., Hernandez, A. S., Paulo, E., & Beery, P, (2017). System of Systems Architecture Feasibility Analysis to Support Tradespace Exploration.
  • Hernandez, A. S, (2017). Improved System Development through New Stressor Scenario Construction for Operational Test and Evaluation.
  • Hernandez, A. S, (2015). Integrating Simulation-Based Decisions with Business Wargames to Shape Fiscal Policy.
  • Journal Articles
  • Hernandez, A. S., & Pollman, A. G, Characterizing Integration Challenges in Mission Engineering to Form Solution Strategies. Systems Engineering Journal.
  • Mok, E., Hernandez, A. S., & Nussbaum, D. A, Improving Technology Integration for the NESDI Program. Journal of System Integration.
  • Whitcomb, C. A., & Hernandez, A. S, Engineering Reasoning in Set-Based Design. Naval Engineers Journal.
  • Hernandez, A. S., Hummel, J. R., Vaucher, G. T., Bell, J. A., & Petri, M. C, (2022). Operational Energy, Powering the National Security Community. Phalanx, 1/SPRING 2022(55), pp. 38-42.
  • Hernandez, A. S., & Pollman, A. G, (2021). Bounding the Solution Space of Complex Systems in Terms of Non-Numeric and\or Uncontrollable Scenario Variables. Systems, 4(9), 1-14.
  • Langrek, J., Wong, H., Hernandez, A. S., Upton, S. C., Mcdonald, M. L., & Pollman, A. G, (2019). Modeling and Simulation of Future Capabilities with an Automated Computer-aided Wargame. Journal of Defense Modeling and Simulation.
  • Van Bossuyt, D., Beery, P. T., O'Halloran, B. M., Hernandez, A. S., & Paulo, E. P, (2019). The Naval Postgraduate School’s Department of Systems Engineering Approach to Mission Engineering Education through Capstone Projects. Systems, 3(7).
  • Hernandez, A. S, (2019). Engineering a Management Structure for Energy Research. International Journal of Strategic Energy and Environmental Planning, 2(1).
  • Whitcomb, C. A., Hernandez, A. S., & Vizzini, M, (2019). Engineering Reasoning in Set-Based Design. Naval Engineers Journal, 131-1.
  • Johnson, B. W., Holness, K. S., Porter, W., & Hernandez, A. S, (2018). Complex Adaptive Systems of Systems: A Grounded Theory Approach. The Grounded Theory Review, 1(17), 52-69.
  • Hernandez, A. S, (2017). Guiding Construction of Better Test Designs by Modeling Random Latin Hypercube Correlation Values with the Gumbel Distribution. Journal of Test and Evaluation.
  • Hernandez, A. S, (2016). A Gumbel Distribution Model to Describe Correlation Values in Random Latin Hypercube Experimental Designs for Model and Simulation Based Systems Engineering. Journal of Engineering and Architecture, 2(4), 1-16.
  • Johnson, B. W., & Hernandez, A. S, (2016). Exploring Engineered Complex Adaptive Systems of Systems. Complex Adaptive Systems, Publication 6, Procedia Computer Science, C(95), 59-65.
  • Hernandez, A. S., Mcdonald, M. L., & Ouellet, J, (2015). Post Wargame Experimentation and Analysis: Re-Examining Executed Computer Assisted Wargames for New Insights. Military Operations Research Journal.