Dr. Perry Mueller, Jr. was appointed a director of Prosperity Bancshares in November 2001. A retired dentist who practiced in Lake Jackson, Texas for over fifty years, he was one of the original founders of First National Bank in Lake Jackson and served as Vice Chairman of that bank's board from 1963 until 2002. He completed his pre-dental education at the University of Texas and graduated with honors from the University of Texas Dental Branch, and is the father-in-law of CEO David Zalman.