Derek represents individuals in a variety of criminal and regulatory matters and internal corporate investigations. His clients often are broker-dealer employees, buy-side market participants, and corporate executives, whose trading activities in both voice and electronic markets have come under scrutiny.

Derek’s cases have involved a wide variety of complex financial products including equities and options, foreign exchange, rates, fixed income securities, structured products, derivatives, and bespoke financial transactions. Derek has deep experience analyzing structured trade data and contemporaneous audio recordings, and supervising the work of relevant expert witnesses. His cases often require communicating specialized or arcane financial concepts and transactions to federal prosecutors, regulators, judges and jurors in a way that makes sense to people who are not finance specialists themselves.

Some of Derek’s recent representations have involved allegations of fraud, insider trading, antitrust, market manipulation, and accounting impropriety. He has participated on the defense teams in three federal criminal trials: one involving the sale of guaranteed investment contracts, another alleging insider trading, and another involving foreign exchange trading. Derek also served on a team of LSW lawyers working as the SEC-approved independent consultant to a monoline insurance company, where he was instrumental in analyzing the accounting treatment for certain securitized transactions that had come under question.

Prior to joining LSW, Derek was an associate at Vinson & Elkins in Houston, then later a management consultant at the Texas offices of McKinsey & Co. He also served as a law clerk at the federal appellate level to the Honorable Diane Wood in Chicago.

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