Four more former members of Infinity Ward have hit the respawn key and joined Respawn Entertainment, the start up developer formed by Jason West and Vince Zampella after they were fired by Activision. The four Infinity Ward expatriates are Preston Glenn, Zied Rieke, Chad Genier, and Sean Slayback, reports G4tv.com, and by their tally, a total of 16 former IW developers have now joined Respawn.