 By 1990, Ozisoft was Australia's largest video games distributor.In 1992, Bermeister and Mark Dyne successfully led a management buyout, together with Sega Enterprises, to form Sega Ozisoft Pty Limited representing exclusively the world's largest video game publisher.In 1994, Bermeister and his property consortium Jacfun negotiated rights to property at Sydney's Darling Harbour and established the interactive Sega World Sydney amusement park, operated through a joint venture including shareholders Sega Enterprises Japan, Mitsubishi Corp. and Mitsui Corp.

Bermeister founded Brilliant Digital Entertainment Inc. in 1996, focusing on 3D graphics streaming and compression for which it was granted 8 patents.