Publius Mummius Sisenna was drafted in by the Emperor Hadrian

Hadrian

Hadrian , was Roman Emperor from 117 to 138. He is best known for building Hadrian's Wall, which marked the northern limit of Roman Britain. In Rome, he re-built the Pantheon and constructed the Temple of Venus and Roma. In addition to being emperor, Hadrian was a humanist and was philhellene in...

 to serve as governor of Roman Britain

Roman Britain

Roman Britain was the part of the island of Great Britain controlled by the Roman Empire from AD 43 until ca. AD 410.The Romans referred to the imperial province as Britannia, which eventually comprised all of the island of Great Britain south of the fluid frontier with Caledonia...

 around 133 to replace Sextus Julius Severus

Sextus Julius Severus

Sextus Julius Severus was an accomplished Roman General of the 2nd century.Julius Severus served as Governor of Moesia; he was appointed Governor of Britain around 131.In 133 he was transferred to Judea, to help suppress the Bar Kochba rebellion there...

 who was sent to Iudaea to suppress a rebellion there. He had previously served as 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 Rome that same year and was governor until the mid 130s. Hadrian's Wall

Hadrian's Wall

Hadrian's Wall was a defensive fortification in Roman Britain. Begun in AD 122, during the rule of emperor Hadrian, it was the first of two fortifications built across Great Britain, the second being the Antonine Wall, lesser known of the two because its physical remains are less evident today.The...

 may have been finished under his governorship but there is little other evidence about him.