He has been a Faculty Member with the Department of Electrical and Systems Engineering, Washington University, St. Louis, MO, USA, as a Professor, and the Director of the Center for BioCybernetics and Intelligent Systems from 1983 to 2006. He is currently a Dick and Martha Brooks Endowed Professor with the Department of Mathematics and Statistics, Texas Tech University, Lubbock, TX, USA. His current research interests include applied mathematics, bioinformatics, control theory, geometry, and mathematical biology.,Prof. Ghosh became a fellow of the International Federation of Automatic Control in 2014. He received the American Automatic Control Council’s Donald Eckman Award in 1988, the United Nations Development Program Consultancy in India in 1993, and the Japan Society for the Promotion of Science Invitation Fellowship in Japan in 1997. He is a member of the Editorial Board of The IEEE Transactions on Computational Biology and Bioinformatics. He has held visiting academic positions at Yale University, and is a Permanent Visiting Professor with Tokyo Denki University, Saitama, Japan, and the Technical University of Munich, Munich, Germany.