Bethany Rose Marsh is a mathematician working in the areas of cluster algebras, representation theory of finite-dimensional algebras, homological algebra, tilting theory, quantum groups, algebraic groups, Lie algebras and Coxeter groups. Marsh currently works at the University of Leeds as a Professor of pure mathematics. She was a EPSRC Leadership Fellow from 2008 to 2014. In addition to her duties at the University of Leeds, Marsh was an editor of the Glasgow Mathematical Journal from 2008 to 2013 and served on the London Mathematical Society editorial board from 2014 to 2018.