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  • Duke Ligon - Board of SemGroup Energy Partners

      A respected presence in the Oklahoma City business community, Duke Ligon serves on the board of a number of energy industry companies, from Panhandle Oil and Gas, Inc., to Blueknight Energy Partners, LP. In 2008 Duke Ligon joined midstream energy asset owner and operator SemGroup Energy Partners, LP, as an independent director of the board. In 2009 he was elected chairman. 

    At the time of the appointment, SemGroup’s chief executive officer described being grateful for the outgoing chairman’s guidance through a challenging time. This enabled the firm to grasp new opportunities and maintain positive momentum. He welcomed Mr. Ligon by noting that he had the breadth of industry experience required to keep the business on a footing of “continued progress.”

    What is now known as SemGroup Corporation continued to have a vital role in crude oil operations until recently. In late 2016, the company announced a partnership with NGL Energy Partners, LP, for the construction of a pipeline extension that would add 44 miles to the Glass Mountain Pipeline system. As part of an aggressive capital raise program, the firm subsequently sold its 50 percent Glass Mountain Pipeline, LLC, share for $300 million.