He also serves on the board of Harlem Academy and has degrees from Princeton University and the Fordham University School of Law .
Mark H. Johnston was the president of Van Wagner Communications until its sale in October , 2014 ; he had previously worked as a banker .
Mark H. Johnston also serves on the board of Harlem Academy and has degrees from Princeton University and the Fordham University School of Law .
Mark H. Johnston was the president of Van Wagner Communications until its sale in October , 2014 ; he had previously worked as a banker .