Google just named a former Oracle exec as the head of its giant cloud business (GOOGL)

Google will replace Diane Greene as the CEO of its cloud business in January. Thomas Kurian, a former Oracle executive, will replace Greene as the head of Google Cloud. Greene has drawn criticism as Google has struggled to keep up with Amazon and Microsoft in the cloud-computing market. Diane Greene is stepping down as the head of Google's cloud business. The former Oracle executive Thomas Kurian will replace Greene as CEO of Google Cloud, she announced in a blog post on Friday....