Duetto, the market leader in hotel profit optimization technology, announced today that it has appointed to Michael Schäffner to head sales and service in the “DACH” region of German-speaking countries of Europe: Germany, Austria, and Switzerland. Schäffner is based in Munich and can be reached at Schaeffner@duettoresearch.com. The announcement comes as Duetto further accelerates it growth throughout Europe, where its cloud-based Revenue Strategy solutions are already in place at more than 700 hotels in 20 countries.