Robert D. Davis, Ph.D., M.P. was a licensed Medical Psychologist, Clinical Psychologist, and Clinical Neuropsychologist in Baton Rouge, Louisiana. He was president of RD Associates, LLC, a largely forensic private practice, and a partner of Matrix, Inc., the Police Psychological Services Corporation. He was Board Certified in Medical Psychology, Forensic Psychology, Forensic Neuropsychology, and Police Psychology. Dr. Davis was nationally known for the development of inferential statistical models for the actuarial prediction of discrete liabilities in law enforcement. He served as the senior author of the M-PULSE© (Matrix-Psychological Uniform Law Enforcement Selection Evaluation) Methodology, a comprehensive post-offer actuarial assessment predicting each of the 18 liabilities in law enforcement. He was also the senior author of M-PULSE© (Matrix-Predictive Uniform Law Enforcement Selection Evaluation) Inventory, a stand-alone screening test for the pre-offer phase of officer selection that can be used for rank-ordering potential candidates, be included as part of a post-offer battery of testing for Police Psychologists utilizing impressionistic decision-making models, or even included as part of the broader actuarial battery of the M-PULSE© Methodology. Dr. Davis was also a graduate of LSU's 147th Law Enforcement Basic Training Academy, and provided numerous professional services to a myriad of agencies including law enforcement selection, critical incident/stress debriefing and diffusion, fitness for duty evaluations, officer advisory programs, and executive consultation. He was the junior author of A Handbook for Psychological Fitness-for-Duty Evaluations in Law Enforcement (Haworth Press, 2004), and more than two dozen peer-reviewed publications in Police Psychology.