John Reiss | White & Case LLP International Law Firm, Global Law Practice

John Reiss

Partner, New York

“John Reiss has a unique ability to find solutions to complex problems, is excellent at thinking on his feet in the heat of battle and shows real leadership to bring parties together.”

Chambers Global 2016


Global Head of White & Case's Mergers & Acquisitions Group, John has more than 30 years of experience representing parties in virtually all manner of M&A transactions in all industries.

The Global Mergers & Acquisitions Group includes more than 500 lawyers across all the Firm's offices. In 2016, it was ranked #1 by deal value Globally, according to Mergermarket and Bloomberg's M&A League Tables. The US National and New York M&A practices were also ranked among the "Elite" law firms by Chambers USA 2016.

John's practice focuses on complex, multijurisdictional transactions, some of which have set new market precedents, and many of which have been recognized with national and international awards. Such major deals include Anthem's US$54.2 billion acquisition of Cigna Corporation, and Fortis' US$11.3 billion acquisition of ITC Holdings.

A diverse range of US and international clients has benefited from John's experience. His clients, from a range of industries, include Anthem, Avast Software, DISH Network Corporation, Fortis, Hess, ICBC, Pilot Flying J, Regal Beloit, SSAB Svenskt Stål AB, Toyota Industries and Ahold NV; as well as a variety of Private Equity firms such as Cobepa, CVC Capital Partners, Dominus Capital, Harvest Partners, Quad-C Management Inc. and Roark Capital.

John's leading contribution in the fields of M&A, Private Equity, and Corporate Governance is recognized by many highly respected professional publications, including Chambers, Euromoney and Legal 500. He has also appeared on a number of media outlets, including Bloomberg TV, Bloomberg Radio and CNBC.

Bars and Courts

  • New York State Bar


  • JD, University of Pennsylvania Law School
  • MBA, University of Pennsylvania (Wharton School of Finance and Commerce)
  • BS, University of Pennsylvania (Wharton School of Finance and Commerce), Summa Cum Laude


  • English


Anthem, Inc., 2016

John is representing Anthem, Inc., one of the nation's largest health benefits companies, in its US$54.2 billion agreement to acquire Cigna Corporation, a combination that will create a premiere health benefits company with critical diversification and scale to lead the transformation of health care delivery for consumers.

Fortis Inc., 2016

John advised Fortis Inc. (NYSE, TSX: FTS), Canada's largest publicly-owned distribution utility, on its US$11.3 billion acquisition of ITC Holdings Corp. (NYSE: ITC), an electric transmission company operating in the Great Lakes and Great Plains regions.  

Quintiles, 2016

John advised Dr. Dennis Gillings, the founder and significant shareholder of Quintiles (NYSE:Q), in its merger with IMS Health Holdings (NYSE:IMS), creating a company with a combined enterprise value of more than US$23 billion.

GlobalWafers, 2016

John represented GlobalWafers Co. Ltd, a leader in the manufacture and sale of silicon wafers to the semiconductor industry, in its US$683 million acquisition of SunEdison Semiconductor Limited.


  • The 2011 Outlook for Deals & Governance: Back to the Future, Deal Lawyers, November − December 2010, (co-author with Gregory Pryor and Colin Diamond)
  • US District Court Clarifies Insider Trading in SEC v. Mark Cuban, The M&A Lawyer, September 2009, (co-author with Colin Diamond)
  • Chapter on Important Tools in Distressed M&A Transactions, M&A Strategies for Bankruptcy and Distressed Companies - Leading Lawyers on Asset Valuation, Deal Structure, and Risk Management, January 2009, (co-author with Matthew J. Kautz, Thomas E. Lauria and Gerard H. Uzzi)

Awards & Recognition

Leading Individual for M&A and Corporate Governance, Who's Who Legal 2017

Leading Individual for M&A and Private Equity, Chambers Global 2017

Recipient of a "Leadership Award", M&A Advisor, 2016

Leading Individual for M&A and Private Equity, Chambers USA 2016

Listed in Lawdragon 500 Leading Lawyers in America (2015)

Leading Individual for M&A and Private Equity in the United States, Euromoney's Banking Finance and Transactional Expert Guide 2016

Selected for New York Super Lawyers–Metro Edition (2006 – 2015)