In 1980 he left First Chicago to found "Golder, Thoma & Cressey" private equity investment company, later known as GTCR, from which he retired as partner in 1993, but remained consultant.
GTCR |
Boomerang Media, L.L.C. is an American media company founded by John Engelman and Eric Ellenbogen (founders of Classic Media) and the private equity firm GTCR in 2008.