Mark Cuban is known to say some outlandish things, but he's quite serious about coming aboard Democratic presidential front-runner Hillary Clinton's campaign.. if she moved "more center. The Dallas Mavericks owner lauded her "thought-out proposals," but it's ultimately Clinton who will have the final say as she later told NBC News, "It's not just people in elective office. It is successful businesspeople. I am very interested in that. And I appreciate his openness to it."