University of california

Professor of Biochemistry, Kobe Pharmaceutical University

Johnston Professor of Biochemistry

Towson University

Keele University

Professor, The University of Queensland

Curtin University, School of Pharmacy and Biomedical Sciences

University at Buffalo, SUNY

Experimental Officer, SYNBIOCHEM Centre, MIB, the University of Manchester, UK.

Institute of Chemistry, University of the Philippines-Diliman