Professor of Chemistry, University of Minnesota

Emeritus Professor Marine Chemistry, Liverpool University

Mayo Clinic, Department of Neurologic Surgery, Department of Biomedical Engineering

National Institutes of Health, National Institute on Drug Abuse Intramural Research Program

Professor, University College Dublin

Van Yuzuncu Yil University, Department of Analytical Chemistry

University of Texas Austin

Ankara University

Research Scholar, KLEIT Hubli

Ricercatore in chimica analitica, Università degli Studi dell'Insubria