Angeliki Kleftara was born in Athens by Nikos and Stamo Kleftara.

She graduated from Thucydio high school in Alimos and studied at the School of Dentistry at the Aristotle University of Thessaloniki from which she graduated in 1985.

She practised dentistry initially in Athens for 10 years, and has had her clinic in Halkida since 1995.

Believing that  development of science never ends, she has attended many seminars and conferences in Greece and abroad. She is member of A.K.O.D. (Academy of Clinical Dentistry) and certified member of D.S.D. (Digital Smile Design).