Management scholars and practitioners have a longstanding interest in expertise and its benefits for individuals, organizations, and markets. However, today, experts and expertise also face a significant and broad crisis of credibility, authority, and trust in society. In order to better examine, understand, and realize the potential of expertise in and around organizations in this context, our field is overdue for a comprehensive review of recent work on the concept. With an integrative review of the past two decades of management research on expertise, we map out this fragmented field and outline three perspectives on the concept. A realist perspective sees expertise as a expertise, allowing future research to tease out the intricate relationships between expertise and one or more of these related concepts.