This article presents the biographical data of Professor Shoenfeld, the features of his scientific path, and the scope of his professional interests, which can be useful as an example of professionalism, professional dedication and passion for young Russian doctors and scientists. Professor Yehuda Shoenfeld is a worldrenowned scientist, specializing in the field of Autoimmunity. He is a member of the editorial boards of 42 journals and an author of 2058 articles on various aspects of medicine. Y. Shoenfeld is an honorary professor at several European universities, his exceptional contribution to medical science has been marked by numerous awards. The article also contain data on the cooperation of the professor with the St. Petersburg State University, the creation of the laboratory of Mosaic of Autoimmunity and the work within this scientific collaboration.