An employee of NEXON INC. from 1996-1999. He is a prominent and respected American game designer. He has written essays on game design and contributed to books which teach game design at the college level.
He also worked on two other NEXON INC. projects; Dark Ages and its unreleased sequel, Elemental Saga.
Links
http://finegamedesign.com/ : David Kennerly's Game Design webpage