Before coming to the bar, Finnian worked as a Legal Caseworker at United Voices of the World, a trade union predominantly representing low-paid and precarious migrant workers. He appeared regularly in multi-day Employment Tribunal hearings, including Javier Sanchez Ortiz v Mitie Limited 2301303/2019, and ran strategic claims such as Antwi & ors v The Royal Parks Limited 2202211/2020 and Avsar v Wilson James Ltd [2020] EWHC 3412.

Prior to this, Finnian spent a summer with Advocates Abroad providing asylum interview preparation support to refugees at the Vial Refugee Camp in Chios, Greece. He gained further understanding of asylum and immigration law, as well as public law more generally, while working as a Judicial Assistant to Lord Justice Singh, working on cases such as TN (Vietnam) v Secretary of State for the Home Department [2018] EWCA Civ 2838, WA (Pakistan) v Secretary of State for the Home Department [2019] EWCA Civ 302 and DPP v Ziegler [2019] EWHC 71 (Admin).

In addition, Finnian has taught European Union law to undergraduates at the London School of Economics and worked as a research assistant for Professors Jeff King and Laura Hoyano. He has worked for a number of NGOs, including Reprieve, the Women’s Inclusive Team, Amicus and the South African Legal Resources Centre.