[1][2] She received a D.Phil from Oxford University for a thesis entitled Euripides' Hecuba: A Re-evaluation, With Special Reference to Dramatic Technique.

[3] She held a Junior Research Fellowship at Christ Church and taught at Trinity College Dublin before moving to the University of Nottingham in 2004.

[5] Having held the latter role, in 2011 she wrote to the Parliamentary Education Select Committee, urging that Classical Civilisations be included among the humanities subjects deemed acceptable for the English Baccalaureate.

[2] In November 2019, Mossman delivered the Nineteenth Dorothy Buchan Memorial Lecture in Ancient History at the University of Leicester.

Mossman has contributed to media outlets including the BBC's Radio Four programme In Our Time, presented by Melvyn Bragg.