Dennis J. Block

Dennis J. Block


Greenberg Traurig

Recognized since 1995

New York, New York

Practice Areas

Corporate Law

Mergers and Acquisitions Law

Navigate to map location for Dennis J. Block Call Dennis J. Block at 212-504-6000
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Dennis J. Block is the Senior Chairman of the firm’s Global Corporate M&A Practice. He has handled numerous mergers and acquisitions transactions - both hostile and friendly - on behalf of acquirers, targets, and investment banks.

The range of transactions handled by Dennis includes mergers, acquisitions, proxy contests, joint ventures, third-party tender offers, self-tender offers, and spin offs, and other forms of corporate restructurings and financings.

As a corporate counselor, Dennis has been retained to represent public companies, entrepreneurs, private equity and hedge funds, and investment and commercial banks in connection with issues of major public interest and debate. For example, he represented the Business Roundtable regarding corporate governance issues, Texaco regarding discrimination matters, Cendant directors regarding board liability, General Motors regarding Ross Perot, and Merrill Lynch regarding the Orange County bond default and in the Nasdaq litigation in which Dennis was the industry negotiator for the $1 billion settlement.

Dennis’ practice includes the general representation, either on a continuous basis, or from time to time, of a number of large publicly-held corporations, including Pfizer Inc., Bear, Stearns & Co. (now part of JPMorgan Chase), Quaker Oats Company (now part of PepsiCo), Procter & Gamble, Merrill Lynch, CBS, US WEST (now part of Qwest Communications International), General Electric, General Motors, Telstra, Inc., MediaOne Group (now part of AT&T), Dayton Power and Light, J.C. Penney, Six Flags, Wakefern Food Corp. (ShopRite), Mack-Cali, True Religion and Trian Partners.

Dennis’ practice involves the representation of Corporate Boards and Audit, Compensations, and Special Committees thereof in connection with numerous issues, including corporate governance. Dennis also represents public companies in connection with Securities and Exchange Commission (SEC) matters, including investigations.

Dennis has been Co-Chairman of the Committee on Corporate Counsel and a member of the Council of the Section of Litigation of the American Bar Association. From 1993-1998, Dennis served as a member of the Committee on Corporate Laws of the Section of Business Law of the American Bar Association. He has co-authored The Business Judgment Rule: Fiduciary Duties of Corporate Directors (5th ed. 1998 and Supp. 2000). He was also co-author of a monthly column in the New York Law Journal, co-editor of The Corporate Counsellor’s Deskbook (5th ed. 1999), and a member of the editorial boards of several legal publications. In addition to writing, Dennis frequently lectures on mergers and acquisitions, the business judgment rule, corporate governance, federal securities laws, corporate litigation, the attorney-client privilege, professional responsibility, and indemnification and insurance of corporate officials. He has been consistently ranked in the first tier as one of the leading corporate/M&A lawyers in Chambers Global and included in Best Lawyers in America.

Dennis is a graduate of Brooklyn Law School where he teaches Advanced Corporate Law as an Adjunct Professor. Before entering private practice, Dennis was a Branch Chief for Enforcement in the New York Regional Office of the SEC.

Contact & Links
Location
  • One Vanderbilt Avenue
    New York, NY 10017
Education
  • Brooklyn Law School, J.D., graduated 1967
Affiliations
  • American Bar Foundation - Fellow
  • American Law Institute - Member
  • American Society of Corporate Secretaries - Member
  • Association of the Bar of the City of New York - Member
  • Brooklyn Law School - Adjunct Professor
  • Junior Achievers of New York (JANY), 2005-present - Board of Directors
  • Supreme Court Historical Society, 2010-present - Board of Trustees

Greenberg Traurig
Headquarters: New York, New York

597 The Best Lawyers in America® awards

285 Best Lawyers: Ones to Watch® in America awards

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Recognized in The Best Lawyers in America® 2025 for work in:
  • Corporate Law
  • Mergers and Acquisitions Law
Special Focus:
  • Private Equity
  • Securities
  • Transactions
Additional Areas of Practice:
  • Corporate Governance Law

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Publications

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