The Consensual Assessment Technique (CAT) is a common creativity assessment. According to this technique, the best judges of creativity are qualified experts. Yet what does it mean to be an expert in a domain? What level of expertise is needed to rate creativity? This article reviews the literature on novice, expert, and quasi-expert creativity ratings. Although current research indicates that novices may be poor choices to be CAT raters, quasi-experts may represent a compromise between ideal scientific rigor and practical time and budget restrictions. Certain guidelines are suggested to make the selection of experts more streamlined, including paying attention to which domain is being assessed.