Charles L. Rosenblum has been an invited speaker and lecturer at museums, universities, non-profits, and design firms. He has been an invited speaker to the American Institute of Architects Build Pittsburgh conferences. He has presented scholarship at national conferences and been an on-camera expert in numerous documentaries. He has served as a tour guide in locations in the United States and overseas. He has spoken before popular audiences in Pecha Kucha presentations and at the Moth, Pittsburgh.