Randa Duncan Williams is non-executive chairman of Enterprise Products Partners, the pipeline giant her father Dan Duncan (d. 2010) founded in 1968. Williams is the only one of four siblings involved in running the family business; all four inherited equal stakes in the company. Enterprise Products owns nearly 50,000 miles of energy pipelines, natural gas processing plants and a large oil storage facility on the Gulf Coast. Williams joined the family business in 1994 and became president and CEO of Enterprise Products in 2001. She sits on the board of the University of Texas Health Science Center where a clinic is named after her father at the Children's Learning Institute.