John is a key senior investigator in JCAP and a Thrust 2 coordinator. After coming to Caltech, John became the leader of the high-throughput experimentation (HTE) laboratory. His team focuses on “high-throughput materials discovery, combinatorial materials synthesis, high-throughput electrochemistry, connecting materials theory and experiments, synchrotron characterization, electrochemical stability screening, semiconductor-metal interfaces, mathematics of compositions spaces and phase diagrams, applications of machine learning in materials science, electrocatalysts for solar fuels and fuel cell reactions, photoelectrochemistry, experiment automation, and data management.”