In December 2014, he earned his PhD in industrial engineering from the University of Iowa, where he was a graduate fellow of the Heartland Education and Research Center and the Healthier Workforce Center for Excellence. His primary research interests are in applying direct measurement technologies to assess exposure to physical risk factors associated with musculoskeletal disorders and developing ergonomics interventions that reduce the incidence of adverse health conditions among working people. Schall has conducted research in a variety of domains, including agriculture, manufacturing, health care, transportation, and national defense.