She teaches graduate classes in ethics, financial planning and analysis, and financial statement examination. At the undergraduate level, she teaches principles of accounting, managerial cost accounting, and principles of finance. Mary Anne was an auditor for Pricewaterhouse Coopers, LLP and the controller for Signal Finance Corporation. A member of the Pennsylvania Institute of Certified Public Accountants (PICPA) and vice president of the Pittsburgh Chapter of the Association of Certified Fraud Examiners (ACFE), she is a frequent presenter at industry conferences and the winner of Carlow's Max and Esther Sestili Award for Excellence in Teaching in 2012.