In 1987, Masterpieces in Chalk the National Geographic documentary featuring Wenner's work in Europe, won first place in the fine arts division at the New York Film festival. In 1991, Swiss-German Television created a 45-minute documentary on his work in Italy, which aired in Switzerland and Germany. His work has also been seen world-wide on Televisa, the international Spanish broadcast station.
Wenner was asked to create a print ad for Absolut Vodka as part of its prestigious artist ad series. The ad, known as Absolut Wenner, began appearing in magazines in September 1996. Absolut Vodka also filmed the creation of Wenner's art for a television commercial.
More than 3,000 square feet of Wenner’s oil paintings, decorative plaster, and architectural details can be seen throughout the residence known as Villa Zeffiro (modeled after Palladio’s Villa Barbaro near Venice, Italy).
In 1991, the Kennedy Centre in Washington D.C., honored him with a one-man show at the Center. He has also been awarded the
Golden Bacchus from Barolo, the
Golden Giotto from Milan, as well as several other awards.