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Zachary A. Luber represents clients in transactions and related corporate law matters. Zack focuses his practice on stock acquisitions, asset acquisitions, mergers, joint ventures, and private equity and venture capital transactions. In addition to his transactional practice, Zack assists clients with corporate governance matters and general corporate issues. He has represented U.S. and multinational clients, both publicly and privately held, in a variety of industries.


  • Mergers and acquisitions
  • Joint ventures and strategic alliances
  • Private equity and venture capital investments and financings
  • General corporate and securities matters



  • Represented ProLogis in its merger with AMB Property Corporation.
  • Represented CPower, Inc. in its sale to Constellation Energy Group, Inc.
  • Represented ArcelorMittal, S.A. in the sale of its Sparrows Point, Maryland, integrated steel facility pursuant to a divestiture order entered in the United States District Court for the District of Columbia.
  • Represented Dofasco Tubular Products Corporation, a subsidiary of ArcelorMittal, S.A., in the sale of its Elizabethtown, Kentucky, stainless tube making facility to Samuel Manu-Tech Inc.
  • Represented a special committee of the board of directors of a publicly held corporation in its evaluation of strategic options for the corporation, including an outright sale and a private investment in public equity transaction.
  • Represented Tenneco Inc. in its acquisition from Delphi Automotive Systems LLC of certain ride control assets and inventory located at Delphi’s Kettering, Ohio, facility.
  • Represented Caterpillar Inc. in its acquisition of Progress Rail Services, Inc.
  • Represented Marconi Corporation plc in the following transactions:
    • The sale of its U.S. telecommunications equipment businesses to Ericsson.
    • The sale of its Outside Power, Plant and Services businesses to Emerson Electric Co.
    • The sale of its North American Access business to Advanced Fibre Communications, Inc. (now Tellabs, Inc.)
    • The sale of its Marconi Data Systems subsidiaries to Danaher Corporation.
  • Represented United Stationers Inc. in its acquisition of the stock of Sweet Paper Sales Corp. and substantially all of the assets of Sweet Paper Sales Group, Inc., a privately held wholesale distributor of janitorial, sanitation, paper, and foodservice products.
  • Represented Capital One Financial Corporation in its acquisition of from National Bank of Kansas City and management, as well as in its acquisition of Onyx Acceptance Corporation through a public merger.
  • Represented Suez S.A. in the sale of Ondeo Nalco Company to a consortium of private equity investors, led by The Blackstone Group, Apollo Management L.P. and Goldman Sachs Capital Partners.
  • Represented Northern Trust Investments, Inc. in its acquisition of the passive investment management business of Deutsche Bank AG.
  • Represented YUM! Brands, Inc. (KFC, Taco Bell, and Pizza Hut) in its acquisition of Long John Silver’s and A&W restaurants.
  • Represented Arthur Andersen LLP in the sales of various accounting practices to KPMG LLP.
  • Represented Illinois Tool Works Inc. in its acquisition of Foilmark, Inc. through a cash tender offer and a second-step merger.
  • Represented GATX Corporation in the sale of its U.S. terminals and pipelines business to Kinder Morgan Energy Partners, L.P.
  • Represented Caterpillar Inc. in its entry into:
    • A 50/50 joint venture LLC with Navistar International Corporation to develop, produce, market, sell, distribute, and support heavy-duty trucks and certain medium-duty trucks outside of North America and the Indian subcontinent.
    • A series of license agreements and supply agreements with Navistar International Corporation pertaining to on-highway truck engines, fuel injectors, remanufactured components, and other products and in its settlement of certain litigation matters pending with Navistar International Corporation.
  • Represented a private equity fund in its acquisition from an insurance company of an equity interest in a portfolio of hotels located throughout the United States.
  • Represented HealthNexis, LLC, a joint venture of AmerisourceBergen Corporation, Cardinal Health, Inc., Fisher Scientific International Inc., and McKesson Corporation, in the contribution of substantially all of its assets to Global Healthcare Exchange, LLC in exchange for a partial equity interest in Global Healthcare Exchange, LLC.
  • Represented a Fortune 50 bank in its acquisition from a third party of the equity interest in a leveraged leasing joint venture not already held by such bank.
  • Represented Ryerson Inc. in the sale of its equity interest in Collado Ryerson, S.A. de C.V., a 50/50 joint venture between Ryerson Inc. and G Collado, S.A.B. de C.V., to G Collado, S.A.B. de C.V.
  • Represented The Dow Chemical Company in its acquisition of certain assets from Dow Reichhold Specialty Latex LLC, a 50/50 joint venture between The Dow Chemical Company and Reichhold, Inc.
  • Represented Whirlpool Corporation in its acquisition from Vitro, S.A. de C.V. of the 51 percent equity interest in Vitromatic, S.A. de C.V. not already held by Whirlpool.

°Some of the above representations were handled by Mr. Luber prior to his joining Greenberg Traurig, LLP.

  • Partner, Mayer Brown LLP

Recognition & Leadership

  • Listed, Super Lawyers magazine, Illinois Super Lawyers, "Rising Star," 2013-2015
  • Team Member, Corporate Board Member magazine and FTI Consulting Inc., one of "America’s Best Corporate Law Firms," 13th Annual Legal Industry Study, 2013
  • Member, Winning Team, Global M&A Network’s 2012 Turnaround Atlas Award for "Private Equity Turnaround of the Year" for the Chapter 11 reorganization and acquisition of American Laser Skincare LLC


  • J.D., cum laude, Northwestern Pritzker School of Law, 2000
    • Articles Editor, Northwestern University Law Review
  • B.S.F.S., magna cum laude, Georgetown University, Edmund A. Walsh School of Foreign Service, 1997
    • Phi Beta Kappa
  • Illinois