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Sebastian R Sperber
Lawyers profile
Global 2025
Lawyers profile | Global 2025: Capital Markets: Debt, Capital Markets: Equity, Capital Markets: Debt & Equity
Sebastian R Sperber
Ranked in 3 Practice Areas
2

Band 2

Capital Markets: Debt

UK

19 Years Ranked

3

Band 3

Capital Markets: Equity

UK

19 Years Ranked

Expertise Based Abroad

Capital Markets: Debt & Equity

USA

13 Years Ranked

Ranked in Guides
UK 2025
Europe 2025

About

Provided by Sebastian R Sperber

Global

Practice Areas

Sebastian Sperber specialises in US securities law and has extensive experience in international capital markets and M&A transactions. Mr Sperber has devoted a substantial amount of time to working on global equity offerings, including privatisation transactions. His practice also includes derivative products, and he has assisted a number of clients in structuring OTC and listed instruments.

Career

Mr Sperber joined Cleary Gottlieb in 1988 and became partner in 1997.

Professional Memberships

Member of the American Bar Association and New York State Bar Association.

Personal

JD, Columbia University School of Law (1988); BA, political science, Columbia College (1985).

Chambers Review

Provided by Chambers

Chambers Global Guide

Capital Markets: Debt - UK

2
Band 2
Individual Editorial
Sebastian Sperber is highly respected for his broad expertise across ECM and DCM transactions. International matters form a key part of his practice.
Learn more about this team❖View ranking table

Capital Markets: Equity - UK

3
Band 3
Individual Editorial
Sebastian Sperber is highly respected for his broad expertise across ECM and DCM transactions. International matters form a key part of his practice.
Learn more about this team❖View ranking table

Capital Markets: Debt & Equity - USA

UK expertise based abroad
Individual Editorial
Sebastian Sperber is highly respected for his broad expertise across ECM and DCM transactions. International matters form a key part of his practice.
View expertise based abroad table

Strengths

Provided by Chambers

Sebastian is very commercially aware and easy to work with.

Capital Markets: Debt respondent
Chambers Global Guide

Sebastian is able to translate complex concepts and is very user-friendly.

Capital Markets: Debt respondent
Chambers Global Guide

He is a genuine go-to guru.

Capital Markets: Debt respondent
Chambers Global Guide

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