Prof. D’Anna has been the VIP Guest of OG Convention in Houston U.S.A.
Prof. D’Anna has been the VIP Guest of OG Convention, January, 2013 Houston,TX.
“OG is a wonderful example of what a corporation can achieve in only few years.Its formula has the ingredients of success: visionary leadership, great product, and a unique organization attracting people who believe that Dream is the most real thing there is.” S.D’Anna.
