William Martin, former Senior Counsel in the SEC’s Enforcement Division, has joined O’Melveny in New York as counsel in the firm’s white collar defense and corporate investigations practice. Martin’s government and private practice experience will enable him to guide individuals and entities through internal investigations and enforcement proceedings, especially in areas involving the financial markets. For coverage of one investigation Martin handled while in the SEC’s Market Abuse Unit, see “SEC Enforcement Action Illustrates Focus on Investment Adviser Obligation to Secure Client Information” (Jun. 23, 2016).