Three main types: (1) Examination/Subject Matter Experts, who write and review test items and exam forms for the NAVLE, VEA, and Species Specific Exams; (2) Board and Committee members, serving on bodies such as the Assessment Development Committee (ADC) or the ICVA Board of Directors; and (3) Communications Skills Experts, a newer role supporting survey and blueprinting work toward possible future communication-skills assessments.