Mark Bernstein is Founder and Chief Scientist at Eastgate Systems, Inc. He is a familiar figure in the national and international hypertext community who has worked on a variety of successful projects, including the HyperGate hypertext authoring system, Link Apprintice, a research tool received with interest by hypertext community and Storyspace for which he was primary developer. In addition, he served as program co-chair for the ACM conferences Hypertext'96 (Washington, D.C.) and Hypertext'97 (Southhampton, England). (Hopper, 1998)
on the web
Bio at Eastgate
http://www.eastgate.com/people/Bernstein.html