Anthony Teasdale, FAcSS, is a visiting professor in Practice at the European Institute of the London School of Economics (LSE) and an adjunct professor at the School of International and Public Affairs (SIPA) at Columbia University in New York. He was previously the founding Director General of the European Parliamentary Research Service (EPRS) - otherwise known as the Directorate-General for Parliamentary Research Services - in the permanent administration of the European Parliament, a role he performed from 2013 to 2022.. Teasdale has also worked as a Special Adviser at the Foreign and Commonwealth Office and HM Treasury in Whitehall, and is co-author of The Penguin Companion to European Union.