Deniz Hamzaoğlu, Konya Selçuk University State Conservatory, Theatre Department, graduate, completed his master's degree in Directing at the same university. He worked as an actor and assistant director at Konya State Theatre, Antalya State Theatre, and Antalya City Theatre. After leaving Antalya City Theatre, he continued his career as an actor and director in various private theatres. He has also taught acting and diction courses at Konya Selçuk University, Adana Çukurova University, and other institutions.

In 2012, he co-founded Yabancı Sahne with Gülay SAY. He continues to work as an actor and director at Yabancı Sahne and other theatres, while also pursuing projects in television and film. His on-screen credits include roles in the TV series Karadayı, Tatlı Küçük Yalancılar, and Hayat Şarkısı.