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Diana Billik



Billik Diana
Diana Billik



Diana heads the capital markets team in Paris. She is a U.S.-qualified partner in the international capital markets department of Allen & Overy in Paris, specializing in cross-border debt and equity offerings. Diana has deep experience advising issuers, arrangers and underwriters in relation to a broad range of debt, equity and liability management transactions by foreign private and sovereign issuers across numerous jurisdictions, including France, Sweden, Norway, Turkey, Greece, United Arab Emirates and West Africa. She focuses primarily on SEC-exempt offerings into the United States and compliance with SEC reporting requirements for foreign issuers and security holders. She also has significant experience in structured finance. Diana is admitted to practice in the State of New York and is a member of the Paris bar. Diana joined Allen & Overy in 1998 and became a partner in 2007.

Market Leader
IFLR1000 2021 - France (Capital Markets: Debt, Capital Markets: Equity)

Woman Leader
IFLR1000 2021 - France

"Paris-based Diana Billik maintains a strong international capital markets practice, advising on matters ranging from sovereign debt to cross-border equity offerings. A US-qualified lawyer, she frequently provides guidance on the SEC-related aspects of transactions."
Chambers Global 2021 - Africa-wide (Capital Markets)

"As part of the firm's wider capital markets practice, and with complementary tax and corporate capabilities, counsel Olivier Thébault and practice heads Diana Billik and Marc Castagnède are key pillars in the firm's Paris offering, not the least due of their combined ability to assist with French, English and US law, alike. "
Legal 500 EMEA 2021 - France (Capital Markets: Equity)

"With the US-qualified Diana Billik as head of the international capital markets team, the group signals its particular strength in offerings involving US law, especially Rule 144A/Reg S. offerings, but also matters involving parallel offerings in Europe and the US." 
Legal 500 EMEA 2021 - France (Capital Markets: Debt)

Leading Individual
Legal 500 EMEA 2021 - France (Capital Markets: Debt)

Market Leader
IFLR1000 2020 - France (Capital Markets: Debt, Capital Markets: Equity)

Woman Leader
IFLR1000 2020 - France 

Recognised by Best Lawyers 2020
Best Lawyers 2020 – Capital Markets Law (France) 

“Paris-based Diana Billik possesses remarkable experience in both the debt and equity capital markets. Commentators praise her as "a very good technician" who is "very hands-on." One source notes: "She speaks French which is useful in Africa, even though she's originally a US lawyer." She is further distinguished for her expertise in sovereign debt issuances throughout sub-Saharan Africa.”
Chambers Global 2020 – Africa-wide (Capital Markets)

Highly regarded
IFLR1000 2019 - France (Capital Markets: Debt, Capital Markets: Equity)

"Dual-qualified in France and the USA, Diana Billik stands out for her activity on the underwriter side of sovereign bond issuances. She also advises on the international capital markets aspects of IPOs and rights issues." 
Chambers Global 2019 - France (Capital Markets)

“Diana Billik is dual-qualified in Paris and New York, regularly handling cross-border capital markets matters involving both jurisdictions.” 
Chambers Global 2019 – USA (Capital Markets: Debt & Equity)

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Capital Markets





Allen & Overy LLP
52 avenue Hoche
75008 Paris

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Admitted to the Bar, Paris, 2011

Admitted to the bar, State of New York, USA, 2000


J.D, Harvard Law School, 1998

Bachelor of Arts, Vassar College, 1994

Fraudulent emails

Please note there is a known fraud/scam currently using the Allen & Overy brand and Diana Billik's name.

More information on fraud using the Allen & Overy brand can be found here.