Marisabel Z. Ramthun, serves as director of Design.
Ramthun is a 1996 graduate of the University of Puerto Rico, Mayaguez Campus with a degree in Electrical Engineering. She joined TxDOT in 1998 as an engineering assistant for the Waco district in the Belton area office. In 2002, she transferred to the Austin District’s Advanced Project Development section. Ramthun then went to work in the Georgetown area office managing construction projects. She has held several leadership positions in the Austin district including Burnet area office assistant area engineer, Austin district advanced project development director and most recently as the Austin district director of Transportation Planning and Development where she oversees $10 billion in project development. She is also a graduate of TxDOT’s Leadership One and WTS International Mid-Career Signature Leadership Training.