Dr. Xiaohui (Dawn) Zhao, serving as the Director of Psychometrics at the Pharmacy Technician Certification Board, brings over two decades of expertise in the measurement, licensure/certification, and accreditation industry. As a member of the Accreditation Service Council of the National Commission for Certifying Agencies (NCCA) and an experienced ISO/IEC 17024 assessor, Dr. Zhao has played a pivotal role in advancing the field. Additionally, she has published research papers in peer-reviewed journals and delivered presentations on measurement, credentialing, and accreditation topics at numerous professional conferences.