lead the department of energy, the department he once forgot. trump putting off the press conference later this week where he promised to announce the future role in the company he built. let's get right now to nbc's national correspondent peter alexander at the white house who's following the latest dwoms. good morni developments. >> reporter: rex tillerson is a texas oil man who's risen to become the company's chairman and ceo. he's been in leadership there since president reagan was in power. tillerson is the first person nominated for secretary of state in modern history with no public sector experience. still his work sent him to dozens of countries like saudi arabia and yemen and that's the experience that donald trump's team said makes him qualified for this job. trump himself tweeting this morning, i've chosen one of the truly great business leaders of the world, rex tillerson, but