E.S.E. Members News Mimar la fidelidad (Pampering fidelity) - Bar Business - Lucio Tanfi of the illycaffè Coffee University explains how to keep and increase consumer fidelity. Consorzio E.S.E. ott 1, 2014 - Bar Business - Lucio Tanfi of the illycaffè Coffee University explains how to keep and increase consumer fidelity. E.S.E. Members News