Dr. Sergei Shnizer is the inventor of TCL technology and the first to apply it to medicine. Specializing in Anesthesiology and Intensive Care Medicine, he developed an interest in the effect and mechanisms of free radicals in critically ill patients. Dr. Shnizer was also a co-founder of SPM Ltd. (now OZ Recovery Technologies), which developed a device for treatment of diabetes wounds using ozone. Prior to immigrating to Israel, he spent 15 years at Botkin Hospital in Moscow in the Department of Emergency Medicine and Hyperbaric Oxygen as Senior Physician. Dr. Shnizer’s Ph.D. thesis covered “Using Free Radical Activity Tests in Intensive Care Units.” He has published over 30 articles in peer-reviewed journals.