At Microsoft, Nadella has led major projects that included the company's move to cloud computing and the development of one of the largest cloud infrastructures in the world. He was made the president of Microsoft's $19 billion Server and Tools Business and led a transformation of the company's business and technology culture from client services to cloud infrastructure and services. On 4 February 2014, Nadella was announced as the new CEO of Microsoft, revising the company's mission statement to "empower every person and every organization on the planet to achieve more". He has transformed Microsoft's corporate culture into one that emphasizes continual learning and growth.