Pr. Katkov is a well known cryobiologist with 30 year experience in the field and more than 160 publications and several patents. Master of Science in Biophysics in 1983 and PhD in 1993. Worked for Repromed, ltd in Toronto, Canada (1994-1996), Post-doc at Oak Ridge Nat-l Lab (1996-1998) in Tennessee. He moved to San Diego and worked at Universal Preservation Technologies (1998-2001) and Ichor Medical Systems (2001), then held several positions at UCSD and Burnham Institute in 2002-2015. He is currently a professor in Russia in 2015 and President and Owner of CELLTRONIX (USA) and MIP Vitronix, ltd in Russia.