- Professor, Mathematics, UC Berkeley
- Head, Mathematics Group, LBNL
- Director, Center for Advanced Mathematics for Energy Research Applications (CAMERA), LBNL
- Co-I for Moore/Sloan Data Science Environments
James Sethian's work is in computational physics, with particular emphasis on moving interface problems in fluid mechanics and materials science. Applications of the work of Sethian and his collaborators include computational models for combustion, fluid mixing, grain metal evolution, image processing, semiconductor manufacturing, industrial ink jet printing, materials informatics, tumor architecture, and industrial foams.