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]: 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.