 Due to long @-@ standing disagreements with Sega Enterprises , Kalinske lost most of his interest in his work as CEO of Sega of America . By the spring of 1996 , rumors were circulating that Kalinske planned to leave Sega , and a July 13 article in the press reported speculation that Sega Enterprises was planning significant changes to Sega of America 's management team . On July 16 , 1996 Sega announced that Shoichiro Irimajiri had been appointed chairman and CEO of Sega of America , while Kalinske would be leaving Sega after September 30 of that year . A former Honda executive , Irimajiri had been actively involved with Sega of America since joining Sega in 1993 . Sega also announced that David Rosen and Nakayama had resigned from their positions as chairman and co @-@ chairman of Sega of America , though both men remained with the company . Bernie Stolar , a former executive at Sony Computer Entertainment of America , was named Sega of America 's executive vice president in charge of product development and third @-@ party relations . Stolar , who had arranged a six @-@ month PlayStation exclusivity deal for Mortal Kombat 3 and helped build close relations with Electronic Arts while at Sony , was perceived as a major asset by Sega officials . Finally , Sega of America made plans to expand its PC software business . 
