Adam Warren is a managing director in the Disputes practice. His practice is focused on financial services industry issues with an emphasis on financial, commodity and complex derivative instruments; trading systems and processes; financial markets and exchanges; technology and operations; and market, credit and operational risk management of financial, derivative and commodity products.

Based in Chicago, Adam has more than 30 years of experience with trading, valuation, investments, operational and risk management issues for a wide variety of global clients. He has assisted more than 15 securities, commodity and derivative exchanges as well as numerous regulators, brokerage firms, clearing houses, hedge funds and investment management companies globally.

Adam also provides court and arbitration testimony. He has testified in Federal Courts as well as several state courts. Also, Adam has testified in Financial Industry Regulatory Authority and other SRO arbitrations regarding issues such as industry standards and practices, alleged front running, insider trading, Regulation SHO and NMS violations, valuation and structure of auction rate securities and the nature of the auction rate securities market, options trading and complex derivative valuation.

Prior to joining Duff & Phelps, Adam spent more than 30 years working with numerous firms on trading, valuation, investments, operational and risk management issues for a wide variety of global clients.

Adam earned an A.B. in History and an M.B.A. in Finance from the University of Chicago.

Representative Engagements

Court Testimony

  • United States District Court, Northern District of Illinois, Chicago, IL, United States v. Michael Coscia.
  • United States District Court, Central District of California, Santa Ana, CA, United States Douglas Decinces,
  • United States District Court, Central District of California, Los Angeles, CA, United States Toby Scammell
  • United States District Court, Northern District of Illinois, Chicago, IL, Securities and Exchange Commission v. Rex C. Steffes
  • District Court of Dallas County, Texas, 68th Judicial District, Highland Capital Management, L.P. Patrick Daugherty
  • District Court of Dallas County, Texas, 95th Judicial District, Highland Capital Management, L.P. RBC Capital Markets LLC, et. al.
  • Supreme Court of the State of New York, County of New York, HYMF, Inc. v. Highland Capital Management LP,
  • FINRA arbitration proceeding, Birmingham, AL, Westervelt Company Bank of America Securities
  • Supreme Court of the State of New York, New York City, Piper Jaffray v. Nationwide Insurance
  • NASD arbitration proceeding, New York, NY, Timber Hill Merrill Lynch
  • NASD arbitration proceeding, Los Angeles, CA Vigilant Trading v. ABN AMRO
  • United States District Court, Minneapolis, Minnesota ADM v. Aon Risk Services
  • Supreme Court of the State of New York, UBS Securities LLC, et. al. v. Highland Capital Management, L.P.

Financial Services

  • Assisted several investment managers in refuting SEC inspectors claims they violated “best execution” requirements. Resulted in the complete dismissal of claims by the SEC.
  • Assisted in the defense of a high frequency trader accused of “spoofing” in the futures marketplace in a highly publicized Federal Trial. Testified as to market practices and the structure and changes in the financial markets over the past 15 years.
  • Assisted major Derivative Exchange in the development of regulatory and compliance tools to detect abusive trading patterns in exchange listed products. Led the engagement team and provided industry expertise which resulted in the development of a tool to identify and quantify potential violative trading activity.
  • On behalf of the United States Department of Justice, prepared an expert report analyzing the defendant’s actions and trading activity involved dealing on Material, Non-Public Information and was indicative of a violation of Insider Trading laws. Demonstrated the defendant had tipped numerous family members and friends resulting in several million dollars in improper profits.
  • On behalf of the United States Department of Justice, prepared an expert report demonstrating the defendant’s actions and trading activity involved trading on Material Non-Public Information and was indicative of Insider Trading. Following the issuance of the report the defendant pled guilty to one federal, felony count of insider trading. Defendant was incarcerated and placed on federal parole.
  • In an arbitration hearing, testified on behalf of a major bank regarding the structuring of a Variable Rate Demand Note. Demonstrated that the structure of the note saved the issuer several million dollars in interest expense relative to issuing a fixed rate obligation.
  • Testified in state court in Texas regarding the damage done to an alternative investment management company by the theft of proprietary company information by a terminated, former employee. Demonstrated the value of this information to the court and showed that retention by former employee could cause irreparable harm.
  • Testified in Federal Court on behalf of a group of individuals accused of violations of insider trading regulations. Was qualified by the court in a Daubert hearing as an expert. Client was completely exonerated in a jury trial.
  • Testified in state court in Texas regarding brokerage industry standards and practices around a failed trade. Provided direct and cross examination testimony. Client won a complete victory with an award exceeding $25 million.
  • Testified in a FINRA arbitration on behalf of a major broker/dealer, regarding the forced liquidation of a client account when the client failed to meet margin calls. Won a complete victory for the broker dealer.
  • Defended a major hedge fund against claims it did not properly liquidate client positions following massive redemption requests.
  • In an arbitration, testified as to the value of the minority interest held by a partner in a hedge fund. Panel accepted valuation and awarded the client a substantial judgment.
  • Testified in a FINRA arbitration regarding the purchase of several hundred million dollars of structured auction rate notes for the account of a large family office. Valued the securities and demonstrated how they were unsuitable investments for the family office.
  • Assisted an investment manager in a NFA arbitration in a claim that the fund’s clearing firm had improperly liquidated its positions without issuing a margin call.
  • Assisted major broker dealer in its defense against a claim that it had improperly sold SIV backed commercial paper to a client. Valued complex securities and assisted in developing strategy for successful mediation.
  • On behalf of an issuer of municipal auction rate securities, evaluated the structure and cost of issuing auction rate versus fixed rate debt. Analysis required the multi-year valuation of the securities.
  • Valued a series of auction rate securities to assist a major on-line firm in FINRA arbitration between itself and brokers. Evaluated the effect of a series of “max-rate waivers” on the valuation and trading of the issue.
  • Valued and provided analysis of several auction rate securities purchased by a major firm regarding litigation between it and its brokers.
  • Valued a series of VRDOs on behalf of the issuing broker dealer in a state court matter. Demonstrated that the municipal issuers paid a lower overall rate on the security when compared against issuing an equivalent duration fixed rate security.
  • Assisted a client in the analysis of a series of complex CDO and other asset-backed auction rate securities for valuation and possible state court proceedings. The analysis of the securities included several complex mortgage pools.
  • Valued a series of hedge and private equity funds on behalf of a claim of wrongful discharge and monies owed to a former fund executive. Calculated carried interest and management fees for a series of funds and valued amounts due to the client. Funds consisted of numerous different asset classes and types.
  • On behalf of Anton Valukas, the court-appointed examiner led the analysis of the mortgage underwriting, ABS and CDO securitization operations of Lehman Brothers. Reviewed the FX and commodity trading activities of the firm and assisted in preparation of final report.
  • Following receipt of a Wells notice from an SRO, reviewed the equities trading activity of a global broker dealer to investigate possible Regulation SHO violations. Analyzed 20 different segregation units to determine compliance with locate requirements and organizational policies and procedures. Prepared report and assisted in client’s response to the regulators. The SRO withdrew the investigation without fine or sanction.
  • Examined the pricing methodology for a series of pass-through notes backed by several series of aircraft leases and commented on the pricing and commissions realized by the brokers involved in the transaction.
  • Assisted in the analysis of a bankrupt major hedge fund to determine the net asset value of the fund’s investments. This review required a forensic analysis of the funds trades and valuation of its positions to assess the level of fraud perpetrated by the fund managers.
  • Reviewed daily trading records of bankrupt hedge fund to evaluate and quantify fraudulent trading activity. Demonstrated that the trading manager had been falsifying performance record since inception of fund. Valued and recalculated the actual monthly NAV as well as actual management and incentive fees.
  • Reviewed the global trading and hedging activities of the world’s second largest soy bean trading and processing company. Annually reviewed trading operations in eight to ten locations globally. Evaluated front, middle and back office operations for both cash and derivative trading activity. Recommended improvements to their risk management and hedging operations.
  • Reviewed trading activity for a trading desk at a major broker-dealer which uncovered and quantified rogue trading activity. Instruments evaluated included both equities and equity derivatives.
  • Analysis required valuing and evaluating the structure of complex cash and derivative trades.
  • Evaluated the risk management and hedging activities of one of the largest metal producing and refining firms in Canada.
  • Developed strategy and vision for a major Asian commodity exchange allowing them to survive onslaught from competitors.
  • On behalf of regulators, evaluated the trading activity of a large OTC broker-dealer to determine whether the firm engaged in “front running” of customer orders. Analyzed hundreds of orders and thousands of individual transactions to calculate the extent and dollar cost of the front running activity.
  • Assisted a major West Coast hedge fund in the complete re-engineering of its trading infrastructure. Developed requirements and specifications covering a broad group of asset and derivative classes, wrote RFP, evaluated multiple vendors and assisted in the final selection and implementation of the selected products. System provided complete trading and monitoring functionality for multiple asset classes.
  • On behalf of the independent board of directors, evaluated the derivative trading activity of a large asset management company/hedge fund to determine whether commission charges paid by the funds to an affiliated broker-dealer were appropriate. Determined the extent of overcharges and possible remediation scenarios. Final report resulted in substantial rebates to the funds and a significant lowering of commission rates.
  • Report and actions were accepted by the SEC in settlement of an inquiry letter.
  • Developed the jet fuel hedging strategy for one of the top 10 airlines in the United States. Evaluated fuel purchasing patterns, determined best hedge for both location and quantity of jet fuel and established guidelines for optimal fuel hedges. Plan has allowed the company to remain profitable despite large increases in petroleum prices.
  • Led the team which documented all Basel II policies and procedures for a major US trust bank. The team created an interactive, on-line system which was used by: auditors to monitor compliance, regulators to confirm and review the policies and processes and management to document maintain and train new employees about the bank’s Basel II program.Traded and brokered a large number of financial and non-financial asset classes on many exchanges world-wide.
  • Led risk management system creation for one of the largest derivative clearing firms in the world. System evaluated equities, debt instruments and a broad range of derivatives.
  • Evaluated trading activity of broker-dealer to determine whether clients were receiving “best execution” of equity and fixed income trades.
  • Developed methodology to evaluate Anti-Money Laundering capabilities for banks, brokers and other financial services firms.
  • Led the selection process for a number of risk management systems and assisted their installation and integration, for several firms including, asset managers, insurance companies, futures and options exchanges, derivative clearing firms and large broker-dealers.
  • Assisted major European stock, options and futures exchanges in the integration of their risk management departments following mergers. Developed strategic plan for merging processes, technology and personnel to minimize impact of the merger and to maximize effectiveness of the departments.
  • Assisted major Asian stock, options and futures exchanges in the integration of their risk management departments following their merger.
  • Recommended best practice policies to Asian securities regulators for review and audit of risk management departments of exchanges they regulated
  • Assisted the largest North American futures exchange in the development of an electronic trading platform which is now the largest electronic futures trading platform in the world.


  • Masters of Business Administration, Finance, University of Chicago Graduate School of Business, 1985
  • Bachelor of Arts, U.S. History, The College, The University of Chicago,1982
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