Keira M.Campbell


(T) + 1.212.326.7841 (F) + 1.212.755.7306

Keira Campbell advises on a broad range of antitrust issues and is especially skilled in guiding clients through the antitrust aspects of mergers and acquisitions, joint ventures, and other combinations. She has extensive experience in coordinating all facets of multijurisdictional M&A from premerger planning, governmental filings, information requests, and consent decrees through to post-closing investigations and has represented clients whose mergers have been challenged in federal court. Keira also provides antitrust compliance counseling.

Keira advises leading U.S. and multinational companies in a broad array of industries — including the retail, pharmaceutical, and household appliance sectors. She recently served as antitrust counsel to Rite Aid in its sale of 2,186 stores to Walgreens. Keira has represented clients in mergers and investigations before the Federal Trade Commission (FTC), Department of Justice (DOJ) Antitrust Division, and state attorneys general.

In addition to her U.S. experience Keira practiced for a number of years in Australia representing clients in transactions before the Australian Competition and Consumer Commission and in complex antitrust litigation before the federal courts of Australia at both the trial and appellate levels.

Keira also has represented pro bono clients in immigration matters, matrimonial cases, and federal prisoners seeking commutation through the Clemency Initiative.

Keira is a member of the American Bar Association (ABA) Section of Antitrust Law, vice chair of the New York State Bar Association Mergers Committee, and former secretary of the Antitrust and Trade Regulation Committee of the New York City Bar Association. Among other publications she is editor of the international chapter in the DOJ Civil Antitrust Practice and Procedure Manual published by the ABA.


  • Diodes to acquire Lite-On Semiconductor Corporation for approximately US$428 millionJones Day is advising the Special Committee of the Board of Diodes Incorporated in a transaction to acquire Lite-On Semiconductor Corporation for approximately US$428 million in cash.
  • Koch participates in $1.5 billion investment in InforJones Day is advising Koch Equity Development (KED), the acquisition and investment subsidiary of Koch Industries, in connection with an investment of $1.5 billion in Infor by KED and Golden Gate Capital.
  • UPL acquires Arysta LifeScience from Platform Specialty Products Corporation for $4.2 billionJones Day advised UPL Limited ("UPL"), a leading global generic agrochemical company based in India, in connection with its subsidiary, UPL Corporation Limited’s, US$4.2 billion acquisition and related $3 billion term financing of Arysta Lifescience Inc. (“Arysta”), a global provider of crop protection solutions, including bio-solutions and seed treatment, from NYSE listed Platform Specialty Products Corporation (“Platform”).
  • Rite Aid obtains antitrust clearance for proposed merger with AlbertsonsJones Day advised Rite Aid Corporation, one of the leading drugstore chains in the U.S., on the antitrust aspects of its proposed merger with Albertsons Companies, Inc.
  • Rite Aid Corporation sells 1,932 stores, three distribution centers, and related inventory to Walgreens Boots Alliance for $4.4 billion in cash.Jones Day advised Rite Aid Corporation as Antitrust counsel in the sale of 1,932 stores, three distribution centers, and related inventory to Walgreens Boots Alliance, Inc. for $4.4 billion in cash.
  • Sierra Wireless acquires Numerex Corp. for $107 millionJones Day advised Sierra Wireless, Inc. as its U.S. counsel in its $107 million stock-for-stock acquisition of Numerex Corp.
  • Koch Equity Development invests over $2 billion in InforJones Day advised Koch Equity Development LLC, the acquisition and investment subsidiary of Koch Industries, in connection with its equity investment of more than $2 billion in Infor, a leading provider of beautiful business applications specialized by industry and built for the cloud.
  • Koch Industries acquires Guardian IndustriesJones Day advised Koch Industries, Inc. on the acquisition of the remaining 55.5 percent of Guardian Industries Corp. not already owned by affiliates of Koch.
  • Randstad acquires Monster for $429 millionJones Day advised Randstad Holding nv (AMS: RAND), a leading human resources services provider, in the acquisition of Monster Worldwide, Inc. (NYSE: MWW).
  • Boehringer Ingelheim sells U.S. injectable generics business and ANDAs to Hikma PharmaceuticalsJones Day advised Ben Venue Laboratories, Inc., a member of the Boehringer Ingelheim Group of Companies, on the antitrust aspects of two transactions with Jordan based Hikma Pharmaceuticals plc.
  • Electrolux attempts acquisition of GE appliances businessJones Day represented Swedish appliance maker AB Electrolux as antitrust and labor counsel in its attempted $3.3 billion acquisition of the appliances business of General Electric.
  • Procter & Gamble sells global (excluding most of Europe) pet care business to Mars for $2.9 billionJones Day advised The Procter & Gamble Company in the $2.9 billion sale of its global (excluding most of Europe) pet care business, including its IAMS®, EUKANUBA®, and NATURA® brands, to Mars, Inc.
  • Procter & Gamble sells MDVIP to Summit PartnersJones Day advised The Procter & Gamble Company in connection with its sale of MDVIP, Inc., a national leader in personalized healthcare, to Summit Partners.
  • Cumulus Media acquires Dial Global for $260 millionJones Day advised Cumulus Media Inc. in the acquisition of Dial Global, Inc., one of the nation's largest radio networks, for $260 million.
  • Baxter International acquires Swedish dialysis product manufacturer Gambro for US$4 billionJones Day advised Baxter International Inc. on the antitrust aspects of its acquisition of Gambro AB, a privately held dialysis product company based in Lund, Sweden, for SEK26.5 billion (approximately US$4 billion).
  • NASDAQ OMX Group obtains DOJ clearance for acquisition of certain Thomson Reuters Corporation assetsJones Day assisted The NASDAQ OMX Group, Inc. ("NASDAQ") in securing antitrust clearance from the U.S. Department of Justice, without the issuance of a Second Request, in its acquisition of certain assets of Thomson Reuters Corporation ("Thomson") for $390 million in cash.
  • Speaking Engagements

    • April 10, 2019
      Views from the Trenches: Litigating Merger Cases, New York State Bar Association
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