David D. Blair Jr., E'54, of Farmers Branch, Texas, is the chairman of the North Texas Tollway Authority's board of directors. He is also the chairman emeritus of Blair Engineering, from which he retired in 1993, and the chairman and chief executive officer of Blair Enterprises. He served eight years as mayor of Farmers Branch and another eight years on its city council. Blair's community involvement has included acting as director of Valwood Improvement District, vice chairman and board member of the Farmers Branch Zoning Board of Appeals, director of the Farmers Branch Chamber of Commerce and the Metrocrest Chamber of Commerce, and president of Metroplex Mayors Association. To recognize Blair's contributions to education, the Carrollton/Farmers Branch School District named an intermediate school in Farmers Branch the Dave Blair Intermediate School. Blair is a member of Northeastern's National Council and a registered professional engineer in Texas.