Justin Carisio, of Wilmington, Delaware, is the company historian at DuPont, where he has worked as an executive speech writer for more than 30 years. He is a volunteer at Antietam...lihat lebih banyakJustin Carisio, of Wilmington, Delaware, is the company historian at DuPont, where he has worked as an executive speech writer for more than 30 years. He is a volunteer at Antietam National Battlefield and holds degrees from La Salle University and The Johns Hopkins University.lihat lebih sedikit