The paper presents a scientific biography of the well-known scientist and teacher, Honored Scientist of the Russian Federation, Head of the Department of General Hygiene and Ecology of the Razumovsky Saratov State Medical University, Dr Sci. (Med.), Professor Yury Yu. Eliseev, on the occasion of his 70th birthday. The main stages of the Professor's activities over the entire period of his research and teaching work are analyzed. Yu.Yu. Eliseev carries out extensive research, educational, methodological, expert and consulting work. Under the Professor's supervision, more than 70 doctoral and PhD theses have been prepared and successfully defended. A total of 76 monographs, textbooks, and teaching aids have been issued, 32 copyright certificates for inventions, Russian Federation patents, certificates for registration of electronic databases, computer programs have been implemented, a number of production regulations, pharmacological articles, instructions for the use of new preventive medical immunobiological preparations (vaccines and diagnostic serums), and hygienic regulatory documents have been developed. The launch of two postgraduate courses in the specialties "Hygiene" and "Allergology and Immunology" managed by Yu.Yu. Eliseev has been initiated. Professor is a member of editorial boards of seven journals, he has state awards of various levels. The results of the Yu.Yu. Eliseev’s work presented have made it possible to respond to numerous challenges faced by scientific community in different years, and the vector of scientific and pedagogical work that he has set is promising in terms of solving hygienic problems, as well as resolving the issues of training and education.