Ex-Goldman Sachs Banker Convicted for His Role in a $4 Billion Fraud. Ng, Roger, Goldman Sachs Group Inc, 1Malaysia Development Berhad (1MDB), Leissner, Tim, Low Jho (1981- ), Malaysia, Bribery and Kickbacks, Extortion and Blackmail, Banking and Financial Institutions, Embezzlement, Money Laundering, Decisions and Verdicts