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Carolyn H. Jackson

London Office
p+44 (0) 20 7776 7625

Carolyn Jackson is a partner in Katten Muchin Rosenman UK LLP and is a Registered Foreign Lawyer. She provides US financial regulatory legal advice to a broad range of market participants, including commercial banks, investment banks, investment managers, broker-dealers, electronic trading platforms, clearinghouses, trade associations and over-the-counter derivatives service providers.

Carolyn guides clients in the structuring and offering of complex securities, commodities and derivatives transactions and in complying with US securities and commodities laws and regulations. She is adept at addressing US registration issues for non-US entities looking to transact business into the United States, including clearing organizations and exchanges as well as asset managers and swap dealers. Having practiced outside of the United States for her entire legal career, she is particularly well versed in the cross-border effects of US regulations including the Dodd-Frank Act. She is a frequent speaker on topics including OTC derivatives regulatory reform and investment management regulation.

Prior to joining Katten, Carolyn was the European head of Allen & Overy LLP’s US Regulatory Practice. Before becoming a lawyer, Carolyn was the executive director and a board member of the International Swaps and Derivatives Association, Inc. (ISDA). Carolyn spent the first 13 years of her career as a derivatives trader and was part of the original swaps team at Chase Manhattan Bank, NA. She established the New York derivatives trading desk for Banque Nationale de Paris, and was the first vice president and manager of the Banque Indosuez International Capital Markets Group in New York.

Shown below is a selection of Carolyn’s engagements.


Chambers Global, 2013, 2014, 2016
Banking & Finance, UK – Foreign expert, USA – Expert based abroad, 2015–2017
Legal 500 - UK Individual, 2013, 2015–2017
Chambers UK, 2014
HFM European Hedge Fund Services Award, 2015
December 18, 2017
January 2016
Co-author, Questions and Answers Concerning the Final Prudential Regulator Margin Rules for Non-Cleared Swaps, Derivatives
January 1, 2010
Co-author, Derivatives: US Issues, Investment Management Law and Practice, Oxford University Press
December 3, 2009
Co-author, The Road Toward Mandatory Registration for Fund Advisers and the Closure of Gaps, Complinet
May 16, 2009
Co-author, Hedge Fund Transparency Act: The End of Derivative-Linked Structured Products as We Know Them, Derivatives Week
Co-author, Large Trader Reporting, OTC Derivatives Regulation Under Dodd-Frank: A Guide to Registration, Reporting, Business Conduct, and Clearing, Thomson Reuters, 2014 ed.
Author | Corporate & Financial Weekly Digest
Firm News
January 23, 2017
Presenter | Financial Market Regulation: Ever-Evolving and Ever-Present | PRIME Finance Annual Conference | The Hague, Netherlands
November 8, 2016
Presenter | Brexit – What Does It Mean For The UK and For European Capital Markets? | FOW Derivatives World Central and Eastern Europe | Warsaw, Poland
September 8, 2016
Presenter | Commodity Derivatives: Increased Scope, Increased Requirements | FOW Regulation Conference | London, United Kingdom
June 8, 2016
Presenter | MiFID II: Where Are We Now? | IDX | London, United Kingdom
January 27–28, 2014
Speaker | Increasing Legal Certainty and Reducing Systemic Risk: Legal and Market Views | P.R.I.M.E. Finance Annual Conference | The Hague, The Netherlands
January 17, 2012
Presenter | The Devil Is in the Detail: Interpreting Master Agreements (Valuations, Measuring Loss, Set-Off and Tax Characterisation) | Opening Conference of P.R.I.M.E. Finance: Seminars on Dispute Resolution in the Financial Markets | The Hague, Netherlands
November 2, 2011
Presenter | Keeping Up with the Markets: Which Ones Do You Monitor? Who Decides? | Mondo Vision Surveillance & Compliance Seminar | London, United Kingdom
October 12, 2011
Speaker | After the Storm: Navigating the New World Order in Financial Services Regulation | ABA Section of International Law 2011 Fall Meeting | Dublin, Ireland
March 3, 2011
Presenter | Clearing Commodity Products | ISDA Energy, Commodities and Developing Products Conference | London, United Kingdom
January 26, 2011
Presenter | Clearing Commodity Products | ISDA Symposium, ISDA Commodity Operations | London, United Kingdom
September 21, 2010
Presenter | Harmonizing US Regulation with Foreign Boards | Energy OTC Derivatives Futures & Swaps Summit | Washington, DC
March 25, 2010
Presenter | Documenting Freight Derivatives | ISDA Energy, Commodities and Developing Products Conference | London, United Kingdom
October 15, 2009
Speaker | US Regulatory Reform for OTC Derivatives and Asset Managers | G20 Asian Reform Conference | Hong Kong, China
January 25, 2008
Presenter | Food for Thought: Hedging the Hunger Crisis | 2008 IAFE Annual Conference: Investing Through Volatile Markets | New York, New York
Carolyn H. Jackson


  • JD, Fordham University School of Law, cum laude, Order of the Coif
  • MS, University of Rochester, Simon Graduate School of Business
  • BA, University of Virginia, cum laude

Bar Admissions

  • New York


Chambers Global
2013, 2014, 2016
Banking & Finance, UK – Foreign expert, USA – Expert based abroad, 2015–2017
Legal 500 - UK Individual
2013, 2015–2017
Chambers UK
HFM European Hedge Fund Services Award
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  • Association of the Bar of the City of New York
  • Women in Listed Derivatives, Member and Mentor
  • Alternative Investment Management Association, CFTC Working Group
  • Futures Industry Association Futures Law and Compliance Division
  • Panel of Recognised International Market Experts in Finance (P.R.I.M.E.)
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