George MacDonald and Steve Peterson opened an office for their company Hero Games in 1982 and invited Ray Greer to join the company as a partner in charge of marketing and sales.[1]: 146 Greer went to work at Steve Jackson Games by 1986, and then went to work for the special effects company owned by Mark Williams.[1]: 147 Peterson founded the company Hero Software and built a team to create a Champions computer game, and Greer joined this team later, but the project was never completed.[1]: 148 Greer, Peterson and Bruce Harlick, were involved in the Hero Games partnership with R. Talsorian Games that began in 1996.[1]: 150 Mike Pondsmith of R. Talsorian, and Hero Games owners Peterson and Greer constructed conversion rules to link Interlock and Hero Games, resulting in the Fuzion system.[1]: 211 Pondsmith, Peterson, and Greer jointly hold the rights to Fuzion.[1]: 150