Dr. Thomas W. Zane is the Director of Assessment Quality and Validity at Western Governors University where he has been one of the principal architects of the assessment system, designer of the performance assessment methods, author of the standards and practices documentation, and senior psychometrician. During his time with WGU, he has directed the creation of assessment systems and instruments for measuring competency of candidates in the Business, Information Technology, Health Professions, and Teachers colleges. Dr. Zane’s credentials include a PhD in Measurement, an MLIS, and an MS in Research and Statistics. He teaches test development, psychometrics, and evaluation methods. He currently conducts a variety of validity-related studies to ensure the alignment, inter-rater reliability, quality, etc., of university assessment programs. Recent articles and presentations include Competency-Based Domain Definition; Constructivist Foundations of Performance Assessment; and A Pedagogy for Professional Reflection. Current interests include developing theory-based methods for measuring broad constructs such as competency, and professional reflection; creating defensible methods for building cost-effective performance measures; and discovering new approaches to validity and reliability.