Marcos is one of the most important scientists in Bolivia. He obtained his Ph.D. in Atmospheric Sciences from the University of Maryland (UM); and then he became a postdoctoral fellow at NASA. He is the founder and current director of the Atmospheric Physics laboratory at the Universidad Mayor de San Andrés (UMSA). He is currently an adjunct professor at U. of Maryland.
Link to his website: http://www.atmos.umd.edu/~mandrade/resume/resume.html