Dr. Clark McKown is the president of xSEL Labs and the 2020 winner of the CASEL Joseph E. Zins Award for Outstanding Contributions to Action Research in SEL. In his role as a Rush University faculty member, Clark has been the lead scientist on several large grants supporting the development and validation of SELweb, Networker, and other assessment systems. Clark is passionate about creating usable, feasible, and scientifically sound tools that help educators and their students, which is embodied in the paper he led with four other scholars, "Web-Based Assessment of Children's Social-Emotional Comprehension."