Antonio previously worked for Edelman and Weber Shandwick, as well as the research divisions of Millward Brown and Cision. He has designed research on behalf of GM, Accenture, Procter & Gamble, PwC, Citigroup, Pfizer, GSK, UPS, Symantec, MetLife, the United Nations, the U.S. Army and NASA. He is the winner of the Holmes Report SABRE and Institute for Public Relations Golden Ruler awards for Best Use of PR Research and has guest lectured at New York University, Baruch College and Syracuse University.