Marc De Leeuw

Partner at Sullivan & Cromwell LLP

Marc De Leeuw

Marc De Leeuw

Partner at Sullivan & Cromwell LLP

Biography

Marc De Leeuw joined Sullivan & Cromwell in 1994 and has been a partner since 2001. His litigation practice includes representing clients in a variety of areas, including intellectual property, securities, antitrust, real estate, contract, bankruptcy and many other commercial matters.

Mr. De Leeuw has represented clients before arbitration tribunals, the International Trade Commission, New York and New Jersey state trial and appellate courts, numerous federal district courts and Courts of Appeals and the U.S. Supreme Court. He has participated in trials and arbitration hearings in intellectual property, antitrust, tort and insurance cases.

Overview
RelSci Relationships

1013

Number of Awards

2

Contact Data
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Relationships
RelSci Relationships are individuals Marc De Leeuw likely has professional access to. A relationship does not necessarily indicate a personal connection.

Senior Chairman at Sullivan & Cromwell LLP

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Chairman at Sullivan & Cromwell LLP

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Managing Partner, Executive Compensation & Benefits Practice Group at Sullivan & Cromwell LLP

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Coordinating Partner at Sullivan & Cromwell LLP

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Senior Counsel at Sullivan & Cromwell LLP

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Partner at Sullivan & Cromwell LLP

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Partner at Sullivan & Cromwell LLP

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Faculty Member & Author at Practising Law Institute

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Co-Head, Corporate Group at Sullivan & Cromwell LLP

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Partner at Sullivan & Cromwell LLP

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Marc De Leeuw
Partner at Sullivan & Cromwell LLP
Education
JD
Class of 1992

Columbia Law School is a professional graduate school of Columbia University, a member of the Ivy League. Columbia is regarded as one of the most prestigious law schools in the nation and has always been ranked in the top five by U.S. News and World Report.Founded in 1858, Columbia has produced a large number of distinguished alumni including two Presidents of the United States (Franklin Delano Roosevelt and Theodore Roosevelt); nine Justices of the Supreme Court of the United States;numerous U.S. Cabinet members and Presidential advisers; U.S. Senators, Representatives, and Governors; and more members of the Forbes 400 than any other law school.

BS
Class of 1989

The University of Rochester is a private, nonsectarian, research university in Rochester, New York, United States. The university grants undergraduate and graduate degrees, including doctoral and professional degrees. The university has six schools and various interdisciplinary programs. The University of Rochester is noted for its Eastman School of Music. The university is also home to the Institute of Optics, founded in 1929, the first educational program in the US devoted exclusively to optics. Rochester's Laboratory for Laser Energetics is home to the second most energetic fusion laser in the world.

Memberships
Member

The Association of the Bar of the City of New York is a voluntary association of lawyers and law students. The organization was founded in 1870 and it is headquartered in New York, NY.

Career History
Partner
1994 - Current

Sullivan & Cromwell provides legal advisory services to financial, healthcare, insurance, real estate, energy, other sectors.

Boards & Committees
Member, Board of Directors
Prior

MFJ OFFERS FREE LEGAL ASSISTANCE TO LOW- INCOME NEW YORKERS THROUGHOUT NEW YORK CITY TO RESOLVE LEGAL PROBLEMS ON A WIDE RANGE OF CIVIL ISSUES.

Non-Profit Donations & Grants

Learn how non-profit organizations benefit from RelSci
$10K - $25K
2017

MFJ OFFERS FREE LEGAL ASSISTANCE TO LOW- INCOME NEW YORKERS THROUGHOUT NEW YORK CITY TO RESOLVE LEGAL PROBLEMS ON A WIDE RANGE OF CIVIL ISSUES.

$5,000 - $10K
2013

MFJ OFFERS FREE LEGAL ASSISTANCE TO LOW- INCOME NEW YORKERS THROUGHOUT NEW YORK CITY TO RESOLVE LEGAL PROBLEMS ON A WIDE RANGE OF CIVIL ISSUES.

$1,000 - $4,999
2011

MFJ OFFERS FREE LEGAL ASSISTANCE TO LOW- INCOME NEW YORKERS THROUGHOUT NEW YORK CITY TO RESOLVE LEGAL PROBLEMS ON A WIDE RANGE OF CIVIL ISSUES.

Political Donations
$500
2012

Senator from Connecticut

$500
2012

Vice Chairman at CR License LLC

$250
2012

Senior Provost & Chief Executive Officer, Touro University Western Division at Touro College

Awards & Honors
Admitted to the New Jersey Bar
Admitted to the New York Bar
Other Affiliations

Marc De Leeuw is affiliated with Sullivan & Cromwell LLP, MFY Legal Services, Inc.

This web site is not endorsed by, directly affiliated with, maintained, authorized, or sponsored by Marc De Leeuw. The use of any trade name or trademark is for identification and reference purposes only and does not imply any association with the trademark holder. The Presence of Marc De Leeuw's profile does not indicate a business or promotional relationship of any kind between RelSci and Marc De Leeuw.