Christian is the President & CEO of the Middle States Association, one of the world’s original school accreditors. He is past President of Regis High School (NY) and Head of School at Malvern Prep (PA). He incubated Malvern’s Center for Social Impact and founded Expeditionaries, a social entrepreneurship bootcamp that leverages genAI. He teaches in the Nonprofit Leadership Program at the University of Pennsylvania and has served on several boards.