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David Wainer



Wainer David
David Wainer



David has considerable experience advising banks, funds, insurance companies and other financial institutions on a wide variety of derivatives and structured finance transactions, including synthetic securitizations and other risk transfer trades, funding platforms, total return swaps, hedging structures, bespoke credit and other fixed income products, repackaging (especially of illiquid loans), and other innovative structured transactions. He also has considerable experience working with governments, sovereigns and central banks on a range of derivatives documentation and regulatory projects.

Since the global financial crisis, a large part of David’s work has been focused on helping banks manage exposures to a range of underlying assets, many illiquid, either through portfolio disposals or synthetically.

David spent 16 years heading up the Firm’s capital markets practices in New York and Tokyo, during which time he was involved in many high-profile industry initiatives, before returning to London in 2010. He is qualified in both England and New York.

News & insights

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News: 20 FEBRUARY 2020

A&O retains title as leading global transactional law firm for sixth year

Allen & Overy advised on more deals during 2019 than any other law firm in the world. According to data from Refinitiv and Dealogic, A&O advised on 17% more deals than its nearest competitor across global DCM, ECM, M&A, loans and project finance.

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Publications: 17 FEBRUARY 2020

U.S. Treasury implements Final FIRRMA Regulations

This week, new regulations promulgated by the U.S. Department of the Treasury (the Treasury) went into effect to finalize and comprehensively implement the Foreign Investment Risk Review Modernization Act of 2018 (FIRRMA). These newly-amended regulations (the Final FIRRMA Regulations) both broaden the jurisdictional scope of the Committee on Foreign Investment in the United States (CFIUS), and institute key exceptions scaling CFIUS’s authority over certain foreign investments.

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Publications: 14 FEBRUARY 2020

Understanding sovereign debt – options and opportunities for Africa

A practical Guide for public debt managers and others involved in public financial management in Africa.

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A&O assists fintech Nivaura to develop bond issuance technology

News: 13 FEBRUARY 2020

A&O assists fintech Nivaura to develop bond issuance technology

Allen & Overy has provided legal expertise and knowledge to fintech company Nivaura, to help in the development of their new automation technology, Aurora. 

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Admitted as solicitor, England and Wales, 1993

Admitted to the bar, State of New York, USA, 1999

Admitted as a Solicitor, Republic of Ireland, 2019


LLB (Hons), London School of Economics and Political Science, 1990

The College Of Law, London, 1991

Published work

  • The Challenges of Working with Derivatives in Latin America, Derivatives Use, Trading & Regulation, 2000.