Greene’s Energy Group (GEG), a provider of integrated testing, rentals and specialty services, has promoted Maury Dumba to Senior Vice President of Business Development, announced CEO Bob Vilyus. Dumba, who is based in Houston, previously served as the company’s Vice President of Business Development where he developed strategic plans and identified future growth opportunities for the company through organic expansion and acquisitions. In his new position, Dumba will maintain these duties and will also provide oversight for organic growth initiatives.