Ed Gerck received his Doctorate in Physics from the Ludwig-Maximilians-Universitaet and the Max-Planck-Institut fuer Quantenoptik, in Munich, Germany, 1983, with the maximum grade ("sehr gut"). Since 1986 he has been active as a consultant and developer in the field of security and cryptography, for government agencies and international companies based in Brazil, the US and other countries. He is the founder and President of Novaware ISEC, developer of Holocomm encoding and other innovative communication and security software, such as the one-floppy WWW browser and e-mail agent WebBoy UMC in collaboration with IBM Japan. He is also the founder and current Coordinator of the Meta-Certificate Group - MCG, an open international non-profit group active in the field of Internet security and certification standards development, with participants from 28 countries. Ed Gerck has been appointed in 1999 to the NSI's RAB -- Registry Advisory Board of Network Solutions, Inc., Herndon, VA, US. Dr. Gerck's most recent papers can be found at the MCG site.