Eleftheria Mamidaki was born in Athens.  From 1996 to 1998 she was the CEO of VITOM S.A., a tomato paste production and canning company. From 1999 until early 2010 she was Deputy Managing Director of MAMIDOIL JETOIL S.A. and in charge of the Finance and Operations departments of the company, while from July 2010 until February 2015 she was VP of Finance and Operations of MAMIDOIL JETOIL S.A. From February 2015 onwards she is the Director at MAMIDOIL JETOIL S.A. She is a member of the BoD of Mamidakis Brothers Group and Mirabello S.A.

Her heart is in startups as she sees herself as innovator, dreamer and technology entrepreneur.  She has started 3 companies in the technology sector, 2 of which are still active.

She graduated from Brown University in Rhode Island, U.S.A. with a B.Sc. in Mechanical Engineering and a B.A. in Business Economics in 1993 (Magna Cum Laude). In 1995 she obtained a M.Sc. in Ocean Systems Management from M.I.T.

She is a member of the BoD of the Hellenic-American Chamber of Commerce since the summer of 2007 and member of the Executive Committee and the Leadership Committee of the Chamber since June 2013.  She is also a member of YPO, Sigma Xi and Tau Beta Pi. She speaks fluent English and French and has basic knowledge of Italian.

Mrs. Mamidaki is married and has two children.