Cadwalader, Wickersham & Taft LLP is New York Citys oldest law firm and one of the oldest continuously operating legal practices in the United States. Attorney John Wells founded the practice in 1792. Cadwaladers Lower Manhattan headquarters is one of eight offices in four countries. At the end of 2014, the firm had approximately 450 attorneys and was ranked by The American Lawyer as one of the top 100 American law firms by revenue. New York Citys oldest law firm, Cadwalader, Wickersham & Taft is headquartered at 200 Liberty Street in Lower Manhattan. The firms managing partner, Patrick Quinn, oversees approximately 450 attorneys as of year-end 2014. It operates out of eight offices across the United States, Europe and Asia. In addition to its Wall Street location, Cadwalader, Wickersham & Taft has offices in Washington, D.C., Houston, Charlotte, London, Beijing, Hong Kong and Brussels. In 2014, Cadwalader generated $481.5 million, with a profit per partner of $2.21 million. In 1792, attorney John Wells, a Princeton graduate who was one of approximately 80 lawyers in New York City at the time, founded the law firm that ultimately became known as Cadwalader, Wickersham & Taft. The firm became a partnership called Wells & Strong in 1818 when George Washington Strong joined Wells' practice.