Lucas deals both in counsel and in litigation with corporate tax, value added tax (VAT), individual and estate taxation. He holds a Master's degree in Business Law and Practice – International Taxation from the Hautes Etudes Appliquées de Droit – HEAD School. Prior to joining Fieldfisher, he completed several internships in French law firms dealing with individual taxation and corporate tax. He also worked in Court and in accounting firms. Lucas was admitted to the Paris Bar in January 2022. He speaks French and English.