People
Mark Kirsch is a partner in King & Spalding’s New York office. He is an experienced trial lawyer whose practice focuses on complex securities, white collar, commercial and antitrust litigation. He is routinely named one of the leading litigators in the United States.
Mark is ranked for Securities Litigation nationwide and in New York by Chambers USA: America’s Leading Lawyers for Business. The 2022 edition of Chambers USA states that clients say he is “a very strategic thinker with a great demeanor in litigation, as well as providing good client service,” and that “he has incredible judgment, is very good on his feet and always prepared.” The 2021 edition shares that clients believe he is “an amazingly quick study, and great at strategic decision-making.” The 2020 edition notes that clients say Mark is “a brilliant lawyer and a great strategist, with excellent client service” and that “his way of handling cases and his ability to combine legal knowledge with the business risks is absolutely excellent.” A client also comments that he has “fantastic cross-examination skills.” Prior recent editions of Chambers USA refer to Mark as “one of the most extraordinary litigators I’ve seen,” “a very deep thinker who is always incredibly well prepared,” and who “does a fantastic job when arguing cases,” “is at the vanguard of the US securities litigation market and enjoys a stunning reputation,” is “a force to be reckoned with,” is “a great strategist who’s detail-oriented and fantastic on his feet,” is “very good at strategy and very responsive to client needs,” and who is “extremely pleasant to deal with.” He is also recognized as a leading securities litigation attorney by The Legal 500 United States. Mark is named as a leading commercial litigation attorney by The Best Lawyers in America®, and Benchmark Litigation’s Guide to America’s Leading Litigation Firms and Attorneys recognized him as a “Litigation Star.” In both 2019 and 2016, Law360 named Mark as one of five Securities Litigation MVPs nationwide. In addition, he was named to City & State’s “50 Over 50” list of the most distinguished public servants in New York in 2020, a “Life Sciences Star” by LMG Life Sciences 2017, and selected by The Lawyer as one of its “Global Hot 100 Attorneys” in 2006.
Mark currently serves on the Board of Trustees of the American Friends of Hebrew University.
From 1991 to 1995, he served as Assistant United States Attorney in the Eastern District of New York, focusing on complex financial crimes. In 1994, U.S. Attorney General Janet Reno personally awarded Mr. Kirsch the Justice Department Director’s Award for Superior Achievement as an Assistant U.S. Attorney.
Mark was previously a partner at Gibson, Dunn & Crutcher where he served on the Executive Committee, as Co-Partner in Charge of the New York Office, and as Global Co-Chair of Gibson Dunn’s litigation practice. Prior to that, he was a partner at Clifford Chance where he served as Global Chair of the Litigation Practice and as a member of the Global Management Committee.
Mark received his Juris Doctor from Yale University Law School, where he was Articles Editor of the Yale Law & Policy Review, and his Bachelor of Arts degree with distinction from Cornell University. He clerked for the Honorable John M. Walker, Jr. in New York.
J.D., Yale Law School
B.A., Cornell University
New York
Judicial Clerk, Honorable John M. Waker, Jr., U.S. District Court for the Southern District of New York
Board of Trustees of the American Friends of Hebrew University
October 9, 2024
Benchmark Litigation Recognizes King & Spalding as a Leading Litigation Firm
June 12, 2024
King & Spalding Earns Top-Tier Rankings in Legal 500 United States 2024 Guide
June 6, 2024
King & Spalding Earns 198 Lawyer Rankings, 90 Practice Group Rankings in Chambers USA Guide
Represent Rio Tinto, the world’s second largest mining company, in an SEC suit alleging violations of Section 10(b), 17(a), internal controls requirements and books and records requirements, concerning the timing of a more than $3 billion impairment taken in connection with a mining project in Mozambique. Prior to trial the SEC dropped the 10(b), 17(a) and all scienter-based charges, settling for non-scienter books and records violations, a historic outcome for Rio Tinto.
Represented Rio Tinto in defeating a Section 10(b) class action based on the same conduct as in the SEC case. The Second Circuit affirmed the dismissal by the District Court.
Represented Vale S.A. in massive class actions relating to the collapse of the Fundao dam in Brazil. Defeated class certification in one class action, effectively ending it, and obtained dismissal of a second that was affirmed by the Second Circuit.
See more
October 9, 2024
Benchmark Litigation Recognizes King & Spalding as a Leading Litigation Firm
June 12, 2024
King & Spalding Earns Top-Tier Rankings in Legal 500 United States 2024 Guide
June 6, 2024
King & Spalding Earns 198 Lawyer Rankings, 90 Practice Group Rankings in Chambers USA Guide
Represent Rio Tinto, the world’s second largest mining company, in an SEC suit alleging violations of Section 10(b), 17(a), internal controls requirements and books and records requirements, concerning the timing of a more than $3 billion impairment taken in connection with a mining project in Mozambique. Prior to trial the SEC dropped the 10(b), 17(a) and all scienter-based charges, settling for non-scienter books and records violations, a historic outcome for Rio Tinto.
Represented Rio Tinto in defeating a Section 10(b) class action based on the same conduct as in the SEC case. The Second Circuit affirmed the dismissal by the District Court.
Represented Vale S.A. in massive class actions relating to the collapse of the Fundao dam in Brazil. Defeated class certification in one class action, effectively ending it, and obtained dismissal of a second that was affirmed by the Second Circuit.
See more
October 9, 2024
Benchmark Litigation Recognizes King & Spalding as a Leading Litigation Firm
June 12, 2024
King & Spalding Earns Top-Tier Rankings in Legal 500 United States 2024 Guide
June 6, 2024
King & Spalding Earns 198 Lawyer Rankings, 90 Practice Group Rankings in Chambers USA Guide
J.D., Yale Law School
B.A., Cornell University
New York
Judicial Clerk, Honorable John M. Waker, Jr., U.S. District Court for the Southern District of New York
Board of Trustees of the American Friends of Hebrew University