Financial News Again Names Kathleen Harris One of Europe’s 50 Most Influential Lawyers

Arnold & Porter partner Kathleen Harris, who heads the firm's London office, has been named to Financial News’ list of "Fifty Most Influential Lawyers 2026,” which celebrates the top legal professionals working in Europe.

In its profile, Financial News describes Kathleen as "a leader in the field of financial crime, regulatory enforcement and investigations.” Kathleen regularly advises FTSE 100 companies and senior executives on complex regulatory and criminal matters and is recognized internationally as a leader in her field. She is an accomplished litigator with extensive knowledge of and experience in matters involving internal and external investigations and prosecutions under the full range of potential criminal offenses and sanctions. Financial News also highlighted Kathleen’s passion for mentoring and broadening access to the profession, noting that she is “not a pull-up-the-drawbridge person but someone who likes to shove that ladder down.”