Several dozen of Infinity Ward's employees resigned in the following months, many taking up positions at Respawn. West and Zampella had been replaced on an interim basis by Activision CTO Steve Pearce and head of production Steve Ackrich. By November 2010, Activision had installed new management at Infinity Ward, and Vivendi chairman and CEO Jean-Bernard Lévy stated that Infinity Ward "got over" their problems and are fully reconstructed and that Activision is very happy with the result. The executive went on to say that there will be three studios working on the Call of Duty franchise including the newly formed studio Sledgehammer Games. Several lawsuits followed in the wake of West and Zampella's departure. The pair themselves initially filed suit against Activision shortly after their release to reclaim "substantial royalty payments" that Activision failed to pay them in the weeks leading up to their firing, estimated to be ; this figure eventually rose to over by May 2012, based on Activision's SEC filings. Activision countersued the pair in April 2010, calling their actions to fire them justified and asserting the two were "self-serving schemers". Activision amended its suit in December 2010 to include EA as a defendant, stating that their competitor had worked with West and Zampella to "destabilize, disrupt and ... destroy Infinity Ward", and sought in damages. Separately, several former and current members of Infinity Ward under the name "Infinity Ward Employee Group" (IWEG) sued Activision for between for unpaid bonuses for work on Modern Warfare 2 and an additional in punitive damages. Ultimately by May 2012, Activision had settled with the IWEG for , while private settlements were separately reached between Activision and EA, and between Activision, West and Zampella. 2012 departure of Robert Bowling On March 27, 2012, Robert Bowling issued the following statement on his Twitter account: "Today, I resign from my position as Creative Strategist of Call of Duty, as a lead of Infinity Ward, and as an employee of Activision". In response to this, Activision issued the following statement, "We sincerely thank Robert for his many years of service. He's been a trusted and valued member of the Infinity Ward team. We wish him all the best on his decision to pursue future opportunities". Bowling allegedly left because he was unhappy with the slow evolution of the game, as he responded with "Too much 'pew pew' not enough new new" to a question