She has worked for Rockwell International, Deloitte & Touche, and Grant Thornton. Over the years, she has worked with William Hesch at Deloitte & Touche from 1989-1991 and again at William E. Hesch CPAs, LLC from 1995-2001. After taking time off to raise her children, Cathy returned to William E. Hesch CPAs in July, 2014.