Larry Greenfield established this site in 1995.
Larry has worked with decision support tools for over thirty years as an employee of various organizations and, since the mid-1990s, as president of his own firm, LGI Systems Incorporated.
He is based in the northern suburbs of Chicago.
Larry has degrees from the University of Chicago and the University of Illinois at Urbana-Champaign. He also is a Certified Public Accountant.
He can be contacted at larryg@lgisystems.com.