After completing her LLM and qualifying as a solicitor, Katherine Reece Thomas worked in private practice in the City of London and in Paris, and taught in the University of Cambridge. She has also practised in New York and is a member of the New York State Bar.
At City University London she teaches public international law, contract and company law. Her research interests include public international law and company law and she is co-author of The Law and Practice of Shareholders' Agreements with Christopher Ryan.
She is the Course Director of the LLM in Public International Law and an expert on the law of state immunity. She also publishes on the relationship between international law and domestic law.
Katherine is also Adjunct Associate Professor at the University of Notre Dame.