Dr. Manfre has been with Upper Darby School District for 25 years. He began his career as an attendance officer and later a teacher at Drexel Hill Middile School. Seven years later, Dr. Manfre became an Assistant Principal at Beverly Hills Middle School. He served as an Assistant Principal at Drexel Hill Middle School soon after, and later at Upper Darby High School. In 2006, Dr. Manfre took over the Office of Federal Programs. In 2008, he became the Prinicpal of Primos Elementary School where he served for two years. In 2010, Dr. Manfre returned to Drexel Hill Middle School as the Principal where he remained until 2014. In his current position as Director of Secondary Education he oversees the the English Learner Services for grades 6 through 12.