Research Engineer, Caltrans. Tom Shantz, P.E., G.E., is a senior research engineer for Caltrans, Division of Research, Innovation, and System Information. Tom’s primary focus is seismic hazard and geotechnical engineering. He manages Caltrans’ participation in the Pacific Earthquake Engineering Research Center (PEER)-Lifelines Program and spearheads the implementation of their research at Caltrans. Tom was the primary developer of the web-based ARS Online design spectrum tool and worked closely with PEER researchers to write a Caltrans design guideline for lateral spreading analysis.