Neil currently does most of the software side of his work in Racket. In the past has done lots of work in Scheme and many other languages. He has released various open source Racket, Scheme, and Emacs packages. He could grow a Lisp hacker beard easily, but it would itch.
He maintains the boston-lisp-announce moderated announcements email list, which is intended to reach the largest number of Lisp users is the Boston area.
Neil's vanity Web site is: http://www.neilvandyke.org/