Inspirational speaker Ron DiFrancesco was the last known person to escape the South Tower of the World Trade Center before it collapsed in the 9/11 attacks. DiFrancesco suffered with PTSD and survivor’s guilt after that fateful day, but has overcome many of his difficulties by focussing on gratefulness, mindfulness and giving back to his community. DiFrancesco has featured in several publications including Time magazine’s special edition 9/11 Por...