Physician specializing in physical medicine and rehabilitation at the Mexican Social Security Institute (I.H.S.) in Mexico City, working particularly with electromyography and electro diagnostic procedures.

He is also a clinical instructor for postgraduate courses in his specialty. Dr. Devesa is active in the Medicine Society of the University of Mexico, and in the Mexican Society of Physical Medicine and Rehabilitation, where he served as Acting Secretary during 1983-84. 

Dr. Devesa received his medical degree in 1978, and his post-graduate specialty certification in 1982, from the Autonomous National University of Mexico.