CEO Ellen Kullman has been a target of criticism in the past year by billionaire activist investor Nelson Peltz, who claims the company has a bloated cost structure and could be more profitable if it were broken up. This despite being a healthy investment for DuPont's shareholders, who have seen gains of 266% over the past six years. In May, Kullman fended off a public fight and attempt by Peltz to grab four board seats by waging an unsuccessful proxy fight. Kullman posits that DuPont will be more a stronger, more profitable company as a diversified conglomerate. The company is currently going through a spinoff of its chemical performance business as they attempt to show growth once again after earnings that been flat over the last few years.