Igor I. Katkov, PhD, is a “seasoned” cryobiologist with more than 30 years of experience in the field. He received his MSc and PhD diplomas in Kharkov, Ukraine. He has collaborated with many prominent cryobiologists, including P. Mazur, F. Ostashko, V. Grischenko, the Isachenkos, and many others. Dr Katkov has more than 130 publications and is actively working in the fields of hyper-fast kinetic vitrification, osmotic modeling, cryopreservation of adherent cells, and many other fields related to fundamental cryobiology, assisted reproduction and regenerative medicine. Igor Ivanovich is a renowned scientist and a member of Editorial Boards of the “Cryo Letters” and “Problems of Cryobiology and Cryomedicine” journals. His hobbies are falconry, wildlife, sharp shooting, World history and “structure of vacuum”.