Satoshi is a Threat Researcher at Sophos. He focuses on reverse engineering malware, Windows internals and writing tools for security research. He spoke at REcon 2011.
Igor Korkin, Ph.D. in Computer Science, focusing on cyber security science: memory forensics, rootkit detection & spy technologies. He has been in digital security for 7 years as an independent researcher, published 20 papers and spoke at CDFSL 2014-2016 in the USA.