Contact Us Auxiliary Services Leadership Mike Clemons, Executive Director mclemons@umbc.edu Sandy Mowbray, Director – Retriever Card Center & Mail Services mowbray@umbc.edu Erin McGonigle, Director – UMBC Bookstore er5@umbc.edu David Glenn, Director – UMBC Dining dglenn21@umbc.edu Tiffany Sun, Director – CEI Arena tsun@umbc.edu