Siobhán is a lecturer at the School of Law at Ulster University and is the lead of the Criminal Law and Criminal Justice Research Cluster in the School of Law. Siobhán is the Co-Director of Mooting and is a Fellow of the Higher Education Academy. 

Prior to joining Ulster in September 2023, Siobhán worked at Maynooth University, Dublin City University and the Faculty of Law, Catholic University of Lyon (as part of the dual undergraduate degree BCL (Études Juridiques) with Maynooth University).

Siobhán completed her PhD at Maynooth University in 2022 having been awarded the Maynooth University John and Pat Hume Scholarship (2017-2020) and Irish Research Council Government of Ireland Postgraduate Scholarship (2020-2022).

Siobhán’s PhD research examined the contrasts and similarities of approach between the adult, young adult and youth criminal justice sectors in Ireland, Scotland and the Netherlands. The research identifies the drivers of penal policy and assists in the development of policy concerning the relationship between adult and youth criminal justice sectors (and in particular young adults within the criminal justice system).

Siobhán's interests are therefore in the following areas:

• Youth justice
• Young adult justice
• Criminal justice
• Comparative criminology
• Punitiveness
• Cross-sectoral differences between criminal justice sector
• Transitions from youth to adulthood (from a criminal justice perspective)
• Criminal Law
• Evidence