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Gerard Kastelein



Gerard Kastelein



Gerard is a finance lawyer specialising in financial services regulations, capital management transactions, including portfolio transfers and disintermediation, as well as capital markets and direct lending structures.

Furthermore he advises on international regulatory reforms and recovery and resolution of financial institutions. His client base includes corporates, the Dutch State and major financial institutions. Gerard studied at the University of Leiden and obtained an LL.M degree at the University of London. He has lectured at the Grotius Academy, the University of Utrecht and the University of Leiden. Gerard heads the Financial Markets Regulation practice of Allen & Overy in the Netherlands.

The 2020 edition of Chambers Global ranks Gerard a Band 1 lawyer and he receives excellent praise for his securitization practice. Clients describe him as "a good all-round lawyer" who "has very good judgement" and is "very knowledgeable."

News & insights

Tall buildings with traffic passing

Publications: 17 SEPTEMBER 2021

Great Fund Insights - New SFDR Principle Adverse Impacts (PAI) regime - key points

The most innovative and challenging aspect of the EU’s Sustainable Finance Disclosure Regulation (SFDR) is probably the new principal adverse impacts or PAI regime.

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Publications: 12 AUGUST 2021

MiFID Review timeline – the year ahead

A high-level timeline summarising key dates and expected publications for the EU and UK MiFID Review.

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Allen & Overy graphic

Publications: 20 MARCH 2020

Covid–19 coronavirus: what should banks and other financial institutions focus on?

The Covid-19  pandemic presents an unprecedented challenge and will affect all walks of life.  The quantum of the impact is hard to determine at this stage although based on preliminary assessment and…

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Brexit day 1 readiness for European banks and investment firms

Publications: 15 OCTOBER 2019

Brexit day one readiness for European banks and investment firms: risk, legal and compliance changes for EU firms under EU law

We examine some of the ways in which a hard Brexit will affect the EU legal and regulatory obligations of EU financial services firms facing or using UK clients/counterparties/market infrastructure.

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Capital Markets






Allen & Overy LLP
Apollolaan 15
1077 AB Amsterdam

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Admitted as advocaat, Netherlands, 1995

Exempt European lawyer, England and Wales, 2008

Listed in the register of legal practice areas of the Dutch Bar Association for Financieel recht