Leonard Rosenthol
Leonard Rosenthol is a Senior Principal Scientist with Adobe Systems and serves as their PDF Architect having been involved with PDF technology for more than 20 years. Recently he also took on the responsibility for architecture of their Content Authenticity Initiative. In his role as Senior Standards Representative for Adobe, he represents Adobe on various international standards bodies including the ISO and W3C. Prior to joining Adobe (for the first time) in 1996, Leonard was the Director of Advanced Technology for Aladdin Systems and responsible for the development of the StuffIt line of products.