David L Dalessandro @david-l-dalessandro Active 8 years, 10 months ago ActivityProfileSites 1Friends 0Groups 0 My Sites Order By: Last Active Newest Alphabetical Viewing 1 site David Dalessandro E-Portfolio Active 9 years ago Visit Site Latest Post: Summer 2015 Penn Medicine Viewing 1 site CourseDepartmentFaculty/Staff portfolioProjectStudent portfolio