Leif T. Simonson photo
Leif T. Simonson
Lawyer
New York
800 Third Avenue
New York, New York 10022
+1 212 488 1248
New York
800 Third Avenue
New York, New York 10022
+1 212 488 1248

Leif Simonson handles high-stakes disputes involving a variety of complex financial products and services, shareholder disputes challenging actions by corporate boards and management, and white-collar criminal investigations and enforcement proceedings. 

In particular, Mr. Simonson has represented clients in disputes involving residential mortgage-backed securities and other asset backed securities, auction-rate securities, credit default swaps, collateralized debt obligations, futures, options, stocks, bonds and a variety of other financial products. He has represented banks, public and private companies, hedge funds, broker-dealers, traders, brokers, auditors, officers, directors and other individuals in the financial services sector.

Prior to joining Kobre & Kim, Mr. Simonson practiced with Cravath Swaine & Moore LLP and Faegre Baker Daniels LLP.

Admissions

  • New York
  • Minnesota
  • U.S. Court of Appeals for the Second Circuit
  • U.S. Court of Appeals for the Eighth Circuit
  • U.S. District Court for the Southern and Eastern District of New York
  • U.S. District Court for the District of Minnesota

Education

  • Harvard Law School, JD
    (Harvard Law Review, Notes Editor)
  • Harvard College, BA

Select Engagements

Financial Products & Services Litigation

  • Representation of a number of public companies and their officers and directors in numerous derivative and class action suits arising out of mergers and acquisitions, debt and equity refinancings, leveraged buyouts and going private transactions.
  • Representation of a special committee of the Board of a Fortune 100 company in conducting an investigation in response to a shareholder demand alleging breach of fiduciary duty.
  • Representation of a former director of an electronic gaming casino-supplier in defense against a class action alleging violations of securities laws related to the collapse of the company, which is pending in the U.S. District Court for the Central District of California.
  • Representation of major Fortune 500 public company in several securities fraud class actions relating to its accounting and a $1.9 billion restatement of revenue.
  • Representation of major financial institutions in numerous matters relating to residential mortgage backed securitizations.
  • Representation of a European investment bank in a dispute against JPMorgan Chase arising from the collapse of a US $2 billion credit facility.
  • Representation of several large corporate clients in securities fraud claims against multiple institutional banks in connection with their marketing of auction rate securities.
  • Representation of a major financial institution in opposing claim objection by Lehman Brothers Holdings.
  • Representation of residential mortgage-backed securities (RMBS) trustees in numerous litigations asserting breaches of representations and warranties in connection with residential mortgage-backed securitizations.
  • Representation of major financial institution in pursuing claims related to RMBS.
  • Representation of hedge funds in a dispute involving investments in collateral debt obligations (CDO) backed by real estate loans, commercial mortgage-backed securities and other debt obligations.
  • Representation of several large corporate clients in securities fraud claims against multiple institutional banks in connection with their marketing of auction-rate securities.
  • Representation of a hedge fund in several adversary proceedings relating to bankruptcies resulting from the arrest and conviction of Tom Petters for a US $3 billion Ponzi scheme.

Government Enforcement Defense

  • Under the Puerto Rico Oversight, Management and Economic Stability Act of 2016 ("PROMESA"), service as independent investigator to the Special Investigation Committee of the Financial Oversight and Management Board for Puerto Rico to perform a comprehensive review of the factors contributing to Puerto Rico's fiscal crisis.
  • Representation of Brian Hunter, the former co-head of energy trading at Amaranth, a US $9 billion hedge fund, in connection with regulatory enforcement litigation against the Commodity Futures Trading Commission (CFTC) and the Federal Energy Regulatory Commission (FERC).
  • Representation of a former partner at KPMG in connection with the highly-publicized U.S. Department of Justice prosecution of the alleged fraudulent design and marketing of tax shelter products involving more US $2 billion+ of disputed tax liabilities.
  • Representation of a Bermuda-based client in connection with investigations into insurance industry accounting practices by the U.S. Securities and Exchange Commission (SEC), the U.S. Department of Justice (DOJ) and the New York State Attorney General's Office.
  • Representation of several former executives at investment banks regarding SEC and DOJ investigations into the subprime market meltdown.
  • Representation of Tongsun Park, a well-known international lobbyist in connection with a prosecution arising out of the United Nations "Oil for Food" investigations.
  • Representation of a high-level executive in an enforcement action brought against him by the SEC alleging securities fraud.
  • Representation of the former partner of an international accounting firm as a witness in litigation relating to tax recovery in the U.S. District Court for the Northern District of California.
  • Representation of a special committee formed by the board of directors of a Fortune 100 company to investigate potential breach of fiduciary duty claims in connection with alleged violations of U.S. antitrust laws.
 

Professional & Community Involvement

  • American Bar Association, Section of International Law, Vice Chair of International Litigation Committee
  • Federal Bar Association, Member

Credentials

Admissions

  • New York
  • Minnesota
  • U.S. Court of Appeals for the Second Circuit
  • U.S. Court of Appeals for the Eighth Circuit
  • U.S. District Court for the Southern and Eastern District of New York
  • U.S. District Court for the District of Minnesota

Education

  • Harvard Law School, JD
    (Harvard Law Review, Notes Editor)
  • Harvard College, BA

Engagements

Financial Products & Services Litigation

  • Representation of a number of public companies and their officers and directors in numerous derivative and class action suits arising out of mergers and acquisitions, debt and equity refinancings, leveraged buyouts and going private transactions.
  • Representation of a special committee of the Board of a Fortune 100 company in conducting an investigation in response to a shareholder demand alleging breach of fiduciary duty.
  • Representation of a former director of an electronic gaming casino-supplier in defense against a class action alleging violations of securities laws related to the collapse of the company, which is pending in the U.S. District Court for the Central District of California.
  • Representation of major Fortune 500 public company in several securities fraud class actions relating to its accounting and a $1.9 billion restatement of revenue.
  • Representation of major financial institutions in numerous matters relating to residential mortgage backed securitizations.
  • Representation of a European investment bank in a dispute against JPMorgan Chase arising from the collapse of a US $2 billion credit facility.
  • Representation of several large corporate clients in securities fraud claims against multiple institutional banks in connection with their marketing of auction rate securities.
  • Representation of a major financial institution in opposing claim objection by Lehman Brothers Holdings.
  • Representation of residential mortgage-backed securities (RMBS) trustees in numerous litigations asserting breaches of representations and warranties in connection with residential mortgage-backed securitizations.
  • Representation of major financial institution in pursuing claims related to RMBS.
  • Representation of hedge funds in a dispute involving investments in collateral debt obligations (CDO) backed by real estate loans, commercial mortgage-backed securities and other debt obligations.
  • Representation of several large corporate clients in securities fraud claims against multiple institutional banks in connection with their marketing of auction-rate securities.
  • Representation of a hedge fund in several adversary proceedings relating to bankruptcies resulting from the arrest and conviction of Tom Petters for a US $3 billion Ponzi scheme.

Government Enforcement Defense

  • Under the Puerto Rico Oversight, Management and Economic Stability Act of 2016 ("PROMESA"), service as independent investigator to the Special Investigation Committee of the Financial Oversight and Management Board for Puerto Rico to perform a comprehensive review of the factors contributing to Puerto Rico's fiscal crisis.
  • Representation of Brian Hunter, the former co-head of energy trading at Amaranth, a US $9 billion hedge fund, in connection with regulatory enforcement litigation against the Commodity Futures Trading Commission (CFTC) and the Federal Energy Regulatory Commission (FERC).
  • Representation of a former partner at KPMG in connection with the highly-publicized U.S. Department of Justice prosecution of the alleged fraudulent design and marketing of tax shelter products involving more US $2 billion+ of disputed tax liabilities.
  • Representation of a Bermuda-based client in connection with investigations into insurance industry accounting practices by the U.S. Securities and Exchange Commission (SEC), the U.S. Department of Justice (DOJ) and the New York State Attorney General's Office.
  • Representation of several former executives at investment banks regarding SEC and DOJ investigations into the subprime market meltdown.
  • Representation of Tongsun Park, a well-known international lobbyist in connection with a prosecution arising out of the United Nations "Oil for Food" investigations.
  • Representation of a high-level executive in an enforcement action brought against him by the SEC alleging securities fraud.
  • Representation of the former partner of an international accounting firm as a witness in litigation relating to tax recovery in the U.S. District Court for the Northern District of California.
  • Representation of a special committee formed by the board of directors of a Fortune 100 company to investigate potential breach of fiduciary duty claims in connection with alleged violations of U.S. antitrust laws.

Professional & Community Involvement

  • American Bar Association, Section of International Law, Vice Chair of International Litigation Committee
  • Federal Bar Association, Member