Osni Marques is a staff scientist at the Scientific Computing Group, Lawrence Berkeley National Laboratory (LBNL). One of his projects consists in making advanced software tools more widely used and more effective in solving DOE’s and the nation’s scientific problems. He has studied and implemented algorithms for the solution of problems in numerical linear algebra, in particular eigenvalue problems, that have been used in applications related to protein motions, acoustics problems in automobile design, structural analyses, and also inverse problems. He is also a member of the Sca/LAPACK development team.