Michael Kay
PhD in computer science at the University of Cambridge, England, in 1975
Spent 20-something years working for ICL designing database software and related products.
Member of the W3C XSLT and XQuery working groups, editor of the XSLT specification.
Produce the Saxon open-source XSLT processor, author of a book on the subject.
Now run my own company, Saxonica.
Have a bio article on Wikipedia: Michael Kay (software engineer)