Jason O. Clevenger is a Managing Scientist in the Mechanics and Materials Practice of Exponent Failure Analysis Associates. Dr. Clevenger earned his Ph.D. in Physical Chemistry from the Massachusetts Institute of Technology, and has worked extensively in the field of materials characterization, particularly for thin films and surfaces, with applications to the semiconductor, pharmaceutical, and medical device sectors. Prior to joining Exponent, he worked at Applied Materials, Inc, where he assisted the development of a plasma-based etching system for latest generation photomasks, as well as an amorphous carbon CVD film for sub-wavelength photolithography applications.