sentences:  About 10 minutes after Welch let him go, Nardelli received a job offer from Kenneth Langone, who at the time was on the boards of both GE and The Home Depot.Nardelli became CEO of The Home Depot in December 2000 despite having no retail experience.Using the Six Sigma management strategy used at GE, he dramatically overhauled the company and replaced its entrepreneurial culture of innovative product design with one focused on relentless cost-cutting.