(This article originally appeared in Entrepreneur) Even 3,000 years ago, customers were complaining. Just ask Nanni. I have no idea who Nanni is, other than…

Gene MarksMay 27, 2021
B est-selling author and a business management speaker at over 70 live events per year — from Fortune 500 sales meetings and corporate groups, to large trade association conferences — Gene’s presentations are funny, energetic, and packed with valuable content.