Valvis served as President of the Court of Cassation from 1872 to 1885. He was appointed as a care-taker Prime Minister for a brief period in May 1886 between the ministries of Theodoros Deligiannis and Charilaos Trikoupis. ==Personal life==
Personal life
He was the brother of Zinovios Valvis, who also served as Prime Minister of Greece on two occasions, in 1863 and 1864. ==References==