Hoffmann studied at the University of Durham under Brian Dobson before studying at the University of Freiburg for her Doctor of Philosophy She is an honorary research associate at the University of Liverpool and director of excavations for the Roman Gask Project.
She is the editor and regular speaker of the Hadrianic Society and since 2012 the co-ordinator of the Roman Army School. Since 2008, she is the course director of the Manchester Continuing Education Network. Her research covers the Roman military, especially the Roman frontiers and ancient glass and beads of the first millennium AD. Woolliscroft, Doctorate. and Woolliscroft, Doctorate. and
