Dr Jerzy Leszek is full professor of psychiatry at the Medical University in Wroclaw ,Poland vice director of the Psychiatry Department and head of Alzheimers disease Lab.. He is author and co-author more than 260 papers (especially from old age psychiatry), some chapters to the books published in reputed Polish and international journals and serving as an editorial board member of several journals .He is Scientific Editor and co-author of first Polish academic handbook on Alzheimers disease and nine another academic handbooks from psychogeriatry , member a lot of scientific associations eg. founder and president of Lower Silesian Association of Alzheimers Families, first of its kind in Poland and Former Member of Board of Directions of International Psychogeriatric Association