Gov. Bobby Jindal’s office said Friday that Bruce Greenstein will replace Alan Levine, who has resigned from his post as the Louisiana State Health Secretary, and is returning to the private sector. His last official day is Aug. 1. Greenstein is expected to start the new post Sept. 13. Greenstein has a reputation in health policy and experience in reforming Medicaid. Greenstein, currently serves as managing director of world wide health for Microsoft Corp.