Professor of Oceanography and Pharmaceutical Science

Smithsonian Marine Station, National Museum of Natural History, Smithsonian Institution

University of Canterbury

Professor of Chemistry, University of Aberdeen

Pukyong National University, Busan, Republic of Korea (ex- Chosun Univ.)

Universidade de São Paulo

Professor and Chair, Medicinal Chemistry, University of Florida

Professor of Chemistry , Ocean University of China

Sultan Qaboos University, College of Agriculture, Centre of Excellence in Marine …

National and Kapodistrian University of Athens