AOR Inc. Technical Staff



Dr. William Stevens, PresidentDr. William Stevens, President is an applied mathematician and computer scientist with over 25 years of hands-on experience supporting Government, Military, and Industry clients in the areas of Operations Research, Modeling and Simulation, Systems Effectiveness Analysis, Decision Support System Design and Implementation, Information Technology Driven Process Improvements, and Experimental Design and Execution.

Dr. Stevens founded Applied Operations Research, Inc. (AOR) in July 2006. AOR provides Operations Research (OR) and Physical Modeling study support to the Littoral Battlespace Sensing – Gliders (LBS-G), Ocean Bottom Characterization Initiative (OBCI), Tactical Oceanography – Undersea Warfare (TOC/USW), Meteorology and Oceanography (METOC) Futures, and other programs managed by CNO N84 and SPAWAR PMW-120. AOR analysts work directly with PMW-120 Assistant Program Management (APM) leads and with Navy and scientific staff at CNMOC, NAVO, NRL Stennis, NRL Monterey, COMPACFLT, APL/UW, and APL/UT. AOR analysts routinely work with the outputs of Navy METOC Tier I models, including NCOM, Relo NCOM, COAMPS, and NOGAPS. AOR analysts are also highly proficient in using Navy METOC Tier II models (e.g. NSPE, CASS, AREPS, TAWS, etc.) and databases (e.g. GDEM, MOODS, DBDB-V, LFBL, HFBL, DTED, AREPS Climatology, etc.). AOR analysts also support the verification and validation of Navy METOC Tier III tactical decision aids (TDAs) using physics-level modeling and simulation techniques coupled with Koopman search and screening optimal search techniques.

From 1985 through 2006 Dr. Stevens was a senior employee of Metron, Inc., advancing during this time from Senior Applied Mathematician to Senior Vice President and Member of the Board of Directors. In 1989 he opened and undertook technical and business management of Metron's West Coast operations. Under Dr. Stevens technical leadership this operation grew during the period from November 1989 through June 2003 to include Metron’s Simulation Sciences and High Performance Computing Divisions which employ approximately 50 operations research and computer science professionals engaged in the design, development, and employment of information operations (IO) and command and control (C2) intensive modeling and simulation (M&S) and decision support systems for U.S. Government, Military, and Industry clients. From 2003 to 2006 Dr. Stevens served as Technical Director of Metron West Coast Operations. Prior to Metron, Dr. Stevens was an Associate at Daniel H. Wagner Associates, a member of the Professional Staff at the Center for Naval Analyses, an Assistant Professor of Mathematics at Northeastern University, and an Applied Mathematician/Computer Scientist at the Harvard-Smithsonian Center for Astrophysics.

Dr. Stevens is the original designer and developer of the Naval Simulation System (NSS) and predecessor systems including the Common LISP Architectures Study Tool (COAST) and the Composite Warfare Model (CWM). Dr. Stevens has led the development and use of these models in support of COMPACFLT, OPNAV, the Naval War College, the Fleet Battle Experiment (FBE) Program, Industry, and Navy Labs. Under Dr. Stevens’ leadership, in excess of 50 major studies and exercises were supported by NSS and predecessor models.

Dr. Stevens received his Ph.D. in Applied Mathematics with concentration in Computational Fluid Dynamics at Brown University's Division of Applied Mathematics in 1979.


Dr. Martin Siderius has over fifteen year of experience in underwater acoustics including experimental and theoretical studies of acoustic propagation physics and signal processing. He has developed several R&D programs which include seabed geoacoustic inversion techniques and methods to exploit the ocean ambient noise field for sonar performance improvements and for passive environmental monitoring and characterization. Other research projects include studies on the effects of sound on the marine environment (impact of anthropogenic sound on marine life), underwater acoustic communications and environmentally adaptive signal processing for passive and active sonar. Dr. Siderius was the 2009 recipient of the Acoustical Society of America (ASA) Medwin Prize in Acoustical Oceanography which is awarded to "recognize the effective use of sound in the discovery and understanding of physical and biological parameters and processes in the sea".


Dr. Charles Holland has over twenty years of experience in underwater acoustics, more specifically in seafloor acoustic interaction/characterization where he has made contributions to both modeling and measurements advances. He showed that the puzzling phenomenon of seafloor reflection loss which was inversely proportional to frequency is due to fine-scale random layering and developed a stochastic model which correctly predicts the phenomena which is widely used today (US and NATO) in sonar performance prediction systems and is an OAML approved product. He has developed several seabed characterization measurement techniques including pioneering a self-consistent seabed reflection and scattering methodology. He has extensive at-sea experience (19 ocean acoustics experiments) including leadership roles in the CST-LFA, Boundary Characterization, and Broadband Clutter programs, and has been Chief Scientist on 7 experiments including 4 multi-national experiments (US, Canada, Italy) involving academic and defense research laboratories. Dr. Holland is a Fellow of the Acoustical Society of America.