DAN SEIDMAN is a globally recognized speaker, consultant, and trainer on selling and influence. He is the author of Sales Autopsy, and his regular columns reach more than 2 million readers monthly ...visualizza altroDAN SEIDMAN is a globally recognized speaker, consultant, and trainer on selling and influence. He is the author of Sales Autopsy, and his regular columns reach more than 2 million readers monthly online and in print.visualizza meno