Wessen is a Partner with Hausfeld in London, practicing in both the Competition and Human Rights departments. Prior to joining Hausfeld, she acted in two cases before the Competition Appeal Tribunal, including the first follow-on action to have reached trial in the UK, Enron Coal Services Limited v. English Welsh & Scottish Railway.
She is currently advising a group of international retailers in proceedings relating to multilateral interchange fees, and also advising on claims relating to the power cables cartel. Wessen has previously represented a large group of major oil companies in a private damages action in relation to the global marine hose cartel.
In the human rights sphere, she is currently acting for a group of factory workers in personal injury claims against their former employer. She is also acting for a group of villagers in contamination claims against a mining company. Previously, she has acted for a former unpaid intern against fashion house Alexander McQueen in a claim for unpaid wages.
Wessen has recently published “Google’s Abuse of Dominance”, Global Competition Litigation Review, in August 2015 and “Collective Proceedings and Collective Settlements in the Competition Appeal Tribunal”, Global Competition Litigation Review, in March 2014.
Wessen is a member of the Law Society Women’s Division and the Solicitors’ International Human Rights Group. She sits on the Advisory Board to WYSE, an international charity providing education and training to emerging leaders, supporting them to make the world a better place.
In 2015, Super Lawyers recognised Wessen as a Rising Star in the field of Antitrust and Competition in London.