Madlena Zepter, also known as Madlena Janković, is a Serbian businesswoman and is married to Philip Zepter, a Serbian businessman.^[1] She is the founder and owner of the Madlenianum Opera and Theatre in Belgrade, Serbia, the first privately owned opera and theater company both in Serbia and in south-eastern Europe; the founder of the Zepter Museum in Belgrade, founder of the numerous funds and scholarships, including the Madlena Janković Private Fund. She is also director of the "Madlena Janković – Zepter" Foundation. Her company Madl'Art is the first auction house in Serbia, and she is also owner of the Madl'Or, an export-import company, working exclusively with fine arts.