Rottweilers are widely recognized as one of the ten smartest dogs in the world.
"Devine Caroline - Life in Your Words" (Link)has an online article in which she discusses the world's ten smartest dogs as determined by PetMD.
In this article Rottweilers are consdered to be the 9th smartest dog in the world. It states that theRottweiler began in Germany as a true work companion. They are still primarily used for work as guard dogs and as police dogs. They are well known for their stoicism, keen perception, courage, and unflagging loyalty. They make an excellent addition to the family.
The links below are just a few of the many organizations that agree that Rottie's are one of the smartest breeds in the world.