We surveyed 150 academic experts on misinformation and identified areas of expert consensus. Experts defined misinformation as false and misleading information, though views diverged on the importance of intentionality and what exactly constitutes misinformation. The most popular reason why people believe and share misinformation was partisanship, while lack of education was one of the least popular reasons. Experts were optimistic about the effectiveness of interventions against misinformation and supported system-level actions against misinformation, such as platform design changes and algorithmic changes. The most agreed-upon future direction for the field of misinformation was to collect more data outside of the United States.