Dr. Deirdre J. Knapp’s primary area of technical expertise in the design and development of performance assessments. Her work spans many different contexts (e.g., certification and licensure testing, criterion measurement for validation research, performance assessment for promotion systems), many different types of organizations (e.g., the military, Federal government agencies, professional associations), and a variety of assessment methods (e.g., multiple-choice tests, live work sample simulations, computerized adaptive testing). She also has authored or coauthored several book chapters on performance measurement and professional ethics, and she co-edited Exploring the Limits in Personnel Selection and Classification with Dr. John Campbell. Dr. Knapp is a fellow of the American Psychological Association (APA), Society for Industrial and Organizational Psychology (SIOP), and the Society for Military Psychology. She has held a variety of elected offices and other leadership roles in these and other professional organizations.