Sheehan teaches courses in the Department of Geological Sciences and courses that are colisted with the interdepartmental Geophysics Program. Sheehan teaches introductory physical geology to undergraduate geology majors and nonmajors, a junior/senior level geophysics course, a colisted senior/grad level field geophysics course, and seismology and geophysical inverse theory at the graduate level.
An internationally recognized leader in innovative environmental science and research, CIRES is jointly sponsored by the University of Colorado at Boulder and the Office of Oceanic and Atmospheric Research at NOAA.