Margaret Marinkovic is a British pianist, coach, and repetiteur known for her work in vocal studies and musical education. Her extensive educational background includes training at Trinity College of Music, the Royal Academy of Music, and the Guildhall School of Music and Drama. During her studies at the Guildhall where she earned a postgraduate diploma, she specialised in accompaniment under the tutelage of notable figures such as Paul Hamburger and Peter Gellhorn. 

Marinkovic has built a career as an accomplished accompanist, coach, and repetiteur, performing and coaching internationally. She has participated in masterclasses with renowned musicians such as Malcolm Martineau, Hugues Cuenod, Geoffrey Parsons, and Roger Vignoles. In addition to her coaching work, she supports the DaCapo Music Foundation, an organization dedicated to providing musical training to children.