Steven A. Blank became CFO, Executive VP and Treasurer of NuStar GP, LLC. In 2012. He is also the general partner of NuStar Energy LP. Other executive roles he has held include: Senior VP, CFO of NuStar GP, LLC.; Treasurer of NuStar GP, LLC.; Senior VP and Treasurer of NuStar GP Holdings; Chief Accounting and Financial Officer and a director of NuStar GP, LLC.