C. Tyler Dick, Lecturer and Principal Railway Research Engineer, and Marcus S. Dersch, Principal Research Engineer, took over leadership responsibilities of two different American Railway Engineering and Maintenance-of-Way Association (AREMA) committees starting in September 2020.
—

—
Marcus is the Chair of AREMA Committee 30 – Ties. This committee is responsible for the development and publication of recommended practices and information relating to characterization of the load environment and performance of cross ties in track; specifications for design of concrete to be used in the manufacture of concrete ties or switch ties; design and use of concrete ties, including devices or systems for fastening rail to the ties; and evaluative tests for tie systems. Marcus has been the Vice-Chair for the past three years.