Aulus Atilius Serranus was a Roman consul

Consul

Consul was the highest elected office of the Roman Republic and an appointive office under the Empire. The title was also used in other city states and also revived in modern states, notably in the First French Republic...

 in the year 170 BCE, together with Aulus Hostilius Mancinus

Aulus Hostilius Mancinus

Aulus Hostilius Mancinus was a Roman consul in the year 170 BCE, together with Aulus Atilius Serranus....

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Atilius Serranus began as a praetor

Praetor

Praetor was a title granted by the government of Ancient Rome to men acting in one of two official capacities: the commander of an army, usually in the field, or the named commander before mustering the army; and an elected magistratus assigned varied duties...

 to the city of Rome in 173 BCE. The next year, he was charged with ensuring that a part of the Roman army in Brundusium was successfully moved to Macedon

Macedon

Macedonia or Macedon was an ancient kingdom, centered in the northeastern part of the Greek peninsula, bordered by Epirus to the west, Paeonia to the north, the region of Thrace to the east and Thessaly to the south....

ia in support of the Third Macedonian War

Third Macedonian War

The Third Macedonian War was a war fought between Rome and King Perseus of Macedon. In 179 BC King Philip V of Macedon died and his talented and ambitious son, Perseus, took his throne. Perseus married Laodike, daughter of King Seleucus IV Keraunos of Asia, and increased the size of his army...

 by consul Gaius Popillius Laenas

Gaius Popillius Laenas

Gaius Popillius Laenas twice served as one of the two consuls of the Roman Republic, in 172 and 158 BC. His name indicates he was of the gens of the Popilii, a name of Etruscan origin...

. After this, he was chosen as consul in 170 BCE.