- B.A. Biology, Southwest Texas State University '98;
- M.S. Microbiology, Southwest Texas State University, '01
Katy was the Assistant Director of the Laboratory of Molecular Typing from 2001 until 2004. She worked on the development and implementation of new DNA sequencing-based subtyping methods for Listeria monocytogenes to help understand the evolution of Listeria monocytogenes. She also contributed to research in the laboratory aimed at defining the phenotypic characteristics of different L. monocytogenes subtypes.