Complex sentence: At Sullivan & Cromwell, Clayton was co-Managing Partner of the firm's General Practice Group and specialized in mergers and acquisitions transactions and capital markets offerings and has represented prominent Wall Street firms, including Goldman Sachs.
Split into simpler sentences: At Sullivan & Cromwell, Clayton was co-managing partner of the firm's General Practice Group. He specialized in mergers and acquisitions transactions and capital markets offerings and has represented prominent Wall Street firms, including Goldman Sachs.