Marian Barbara Holness FRS is a Professor in the Department of Earth Sciences at the University of Cambridge.

[1][2][3] Holness was educated at state schools in Southampton and the University of Cambridge where she studied the Natural Sciences Tripos and completed a PhD in 1990.

[4][5] Her research interests are in Earth Sciences, Geology, Mineralogy and Petrology.

[1] She was awarded the Murchison Medal of the Geological Society of London in 2019,[6] and elected a Fellow of the Royal Society in 2020.

[7]