Michel Goossens is past president of the TeX Users Group. A research physicist at CERN, where the Web paradigm was born, he is responsible for LaTeX, HTML, SGML, and, more recently, XML support for scientific documents.
Leslie Lamport, a computer scientist, is well known for his contributions to concurrent computing and distributed systems. His "Time, Clocks, and the Ordering of Events in a Distributed System" paper has been honored for its enduring influence on the field. Lamport is also known for creating the LaTeX typesetting system and the best-selling book, LaTeX, Second Edition, which documents it (Addison-Wesley, 1994). Now at Microsoft Research in Mountain View, California, he began his work on TLA+ at the Digital (later Compaq) Systems Research Center in Palo Alto. Lamport, who earned his Ph.D. in mathematics from Brandeis University, is a member of the National Academy of Engineering.
Frank Mittelbach is manager of the LaTeX3 Project, in which capacity he oversaw the release of LaTeX 2e. He is the editor of a series of publications on tools and techniques for computer typesetting.
Sebastian Rahtz is Past Secretary of TUG, a cofounder of CTAN, creator of the TeX Live CD-ROM, and a co-author of The LaTeX Graphics Companion. He is an IT analyst at Elsevier Science Ltd.