Giannis Maltezos was born in 1970 in Argos. He was elected Mayor of the Municipality of Argos-Mycenae for the first time in 2023. He holds a Law degree from the National and Kapodistrian University of Athens and is a member of the Nafplio Bar Association as well as a member of the Supreme Court Bar Association. He has been practicing law in judicial dispute cases since 1995. He has been the President of the Regional Council of Peloponnese since January 2022 and served as Deputy Regional Governor of Argolis from September 1, 2019, until the end of 2021. He is married to Martha Giannatou, who is also a lawyer, and is the father of two children.