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 - Champaign. He also is a Certified Public Accountant.
He can be contacted at larryg@lgisystems.com.