Gwion is a former US-UK Fulbright Scholar and has an LLM from New York University specializing in international human rights, language rights and the interface between law and security. This led to his appointment as a Visiting Scholar at the European University Institute in Florence where he pursued his interest in language rights in EU law.
Before he studied abroad, Gwion was a Scholar of Jesus College, Oxford, where he obtained a BA and a BCL (First Class) in Jurisprudence. When studying for the BCL, he focused on English and French public law, human rights, international dispute settlement and the public international law of the sea. During his time at Oxford, Gwion won several prizes for his performance in examinations on administrative law, public international law, criminal law and Roman law, and was awarded the Welson Prize for the most promising law student at Jesus College. He is also a former winner of the Oxford-Cambridge Intervarsity Mooting Competition and a Bedingfield Scholar of Gray’s Inn.
In 2015, Gwion was awarded the BAFTA Wales award for ‘Best Breakthrough’ for presenting a television documentary on the Welsh language.
In 2017, Gwion was appointed to a 3-year term as a member of the Welsh Government’s Welsh Language Partnership Council. The Council was established under the Welsh Language (Wales) Measure 2011 to advise the Welsh Ministers on matters relating to the Welsh language. Gwion serves as the legal member of the Council.
Also in 2017, Gwion was made an Honorary Fellow of Bangor University, Wales, for services to law.