Thad W. Ziegler, president of Thad Ziegler Glass Ltd. In San
Antonio, Texas, has announced the appointment of his son William
Ziegler as contract salesman and project coordinator in the contract
department. William Ziegler's appointment represents the fifth
generation of the Ziegler family to work for the company.
Ziegler graduated from the University of Texas at Austin with
a liberal arts degree in economics.