Lyle is a Partner with Shearman & Sterling in the firm’s Litigation practice. Lyle represents companies, officers, and directors in securities cases and Securities and Exchange Commission enforcement matters throughout the United States. He also conducts corporate internal investigations and counsels clients with respect to securities regulatory issues. He is the author of the well-known blog, The 10b-5 Daily, and was Counsel of Record on an amicus brief for Washington Legal Foundation in support of Goldman Sachs' certiorari petition in "Goldman Sachs v. Arkansas." He also drafted WLF's brief on the merits in "Goldman Sachs."