Ioanna joined University College London as Lecturer in 2012 and has been an Associate Professor since 2018.

She completed her PhD at the University of Cambridge in 2008 under the guidance of Simon Tavaré and Steve Brooks. She then joined SAMSI (Statistical and Applied Mathematical Sciences Institute) as Postdoctoral Fellow and Duke University as Visiting Assistant Professor, working with Mike West and Sayan Mukherjee.