Professor of Planetary Science
B.S., Cornell University, 1994; M.Eng., 1995; Ph.D., Massachusetts Institute of Technology, 2002. Assistant Professor, Caltech, 2002-08; Associate Professor, 2008-10; Professor, 2010-.
Personal Web Site: http://www.gps.caltech.edu/~oa
Research Web Site: http://www.gps.caltech.edu/~oa
Planetary surfaces, geomorphology, geophysics, and dynamics.
You can find my home page here.