Maria KefalasMaria Kefalas is a professor at Saint Joseph's University-Philadelphia. Her books include Hollowing Out the Middle, Working-Class Heroes, and Promises I Can Keep. She is a fundraiser for and co-founder of The Calliope Joy Foundation, which helped fun the nation's first Leukodystrophy Center and has helped dozens of families receive treatment for MLD. For more information, visit mariakefalas.com. Read More Read Less