Juve have struggled financially since Calciopolli, when they were relegated to Serie B, and have failed to compete for the top prizes in recent years.
Marotta said: “It’s a fundamental asset in which we have invested a lot. It will bear fruit in the future, bringing in revenue streams which are unthinkable now.
“I am talking about 10s of millions of €uros and of course the club will dedicate an important slice of these monies to investments in new players.”