Professor of Chemistry, Washington State University

Assistant Professor, Universidade de São Paulo, Instituto de Quimica

Reader, School of Chemistry, University of St Andrews

University of Southern California

Marshall University

Departamento de Química, FFCLRP, USP

Molecular Simulation Research Laboratory; Iran University of Science and Technology

Iowa State University

Professor of Computer Science, Hunter College

UGC Professor (retired), National Centre for Ultrafast Processes, University of Madras