Prof. Nikolaos Pitsikas is a Professor of Pharmacology at the University of Thessaly. He obtained his Bachelor’s Degree in 1984, his Master's degree in 1988, and his Ph.D. degree in 1999. He is involved in a vast number of research programs either as the principal investigator or as a team member. He has different scientific collaborations both in Greece (the University of Crete, University of Ioannina, Agricultural University of Athens, Biomedical Research Foundation, Academy of Athens) and with foreign scientific research centers in Italy (Institute of Pharmacological Research "Mario Negri, Milan, University of Milan), The Netherlands (University of Utrecht), and the USA (University of California). His research interests are focused on the field of Behavioral Pharmacology. In particular, he investigates the role of nitric oxide, 5-HT2c, and 5-HT6 receptors in cognition, anxiety, and schizophrenia. He also studies the psychotomimetic effects of different N-methyl-D-aspartate (NMDA) receptor antagonists and the role exerted by agonists and antagonists of the metabotropic mGlu2/3 receptor in cognition, anxiety, schizophrenia, and obsessive–compulsive disorder. He studies also the role of different neurosteroids in cognition and schizophrenia.