Illustra was a commercialized version of the Postgres object-relational database management system (DBMS) sold by Illustra Information Technologies, a company founded in 1992 and formed by Michael Stonebraker, Gary Morgenthaler and several of Michael Stonebraker's current and former students including: Wei Hong, Jeff Meredith, Michael Olson, Paula Hawthorn, Jeff Anton, Cimarron Taylor and Michael Ubell.