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Demetra Karamanos represents public and private companies and private equity firms in complex domestic and cross-border transactions. Demetra's practice focuses on M&A, carve-out divestitures, joint ventures, take privates, special committee transactions, securities transactions, and corporate governance. She also counsels public companies on securities matters, private equity firms in their investments, and investment banking firms in their capacity as financial advisors.

Demetra advises domestic and foreign clients in a broad range of industries, including health care, pharmaceuticals, energy, telecommunications, consumer goods and retail, media and entertainment, and financial services. She has worked on substantial matters for Procter & Gamble, Scotts Miracle-Gro, Twin River Worldwide Holdings, and PHH Corporation. Prior to joining Jones Day, she advised Allergan, Anthem, Safeway, Odyssey Investment Partners, Books-A-Million, J.P. Morgan Securities, and Dish Network, among others, in a number of significant transactions.

Demetra is an active member of the Women's Initiative in Jones Day's New York Office and served as a coordinator for the 2018 New York Summer Associate Program. She is a member of the Association of the Bar of the City of New York and the District of Columbia Bar Association.


  • Detour Gold merges with Kirkland Lake Gold Ltd. for CA$4.9 billionJones Day advised Detour Gold Corporation in connection with its CA$4.9 billion stock merger with Kirkland Lake Gold Ltd.
  • Diamond S Shipping merges with tanker business of Capital Product Partners for $1.65 billionJones Day advised Diamond S Shipping L.P. in its $1.65 billion merger with the tanker business of Capital Product Partners (CPP).
  • Procter & Gamble acquires consumer health business of Merck KGaAJones Day advised The Procter & Gamble Company (“P&G”) in its €3.375 billion ($4.2 billion) acquisition of the worldwide consumer health business of Merck KGaA.
  • Twin River Worldwide Holdings combines with Dover Downs Gaming & Entertainment, Inc.Jones Day advised Twin River Worldwide Holdings, Inc. in its merger with Dover Downs Gaming & Entertainment, Inc.
  • EagleTree Capital acquires majority interest of Gaylord Chemical Company, LLCJones Day advised EagleTree Capital in its acquisition of a majority interest in and related financing of Gaylord Chemical Company, LLC, a specialty chemical producer.
  • Bombardier acquires Global 7500 aircraft wing program from Triumph Group Inc.Jones Day advised Bombardier Inc. in its acquisition of the wing manufacturing operations and assets relating to Triumph Group Inc.’s Global 7500 wing program.
  • Scotts Miracle-Gro acquires Sunlight Supply Inc. for $450 millionJones Day advised The Scotts Miracle-Gro Company and its wholly-owned subsidiary, Hawthorne Hydroponics LLC ("Hawthorne Gardening"), in connection with Hawthorne Gardening's purchase of the assets of Sunlight Supply, Inc. and various of its affiliates for $450 million.
  • Royalty Pharma acquires EMGALITY® royalty from Arteaus Therapeutics for $260 millionJones Day advised Royalty Pharma, the industry leader in acquiring pharmaceutical royalties, in its $260 million acquisition of the royalty interest held by Arteaus Therapeutics, LLC on future global net sales of Eli Lilly and Company’s EMGALITY® (galcanezumab), an anti-CGRP antibody for the prevention of migraine.
  • PHH Corporation sells remaining MSR portfolio for $912 million and enters subservicing agreement for 480,000 mortgage loans with New Residential Investment Corp.Jones Day advised PHH Corporation in its $912 million sale of all of its remaining MSR portfolio and related servicing advances to New Residential Investment Corp.
  • PGT Innovations acquires Western Window Systems for $360 millionJones Day advised PGT Innovations in its acquisition of Western Window Systems from PWP Growth Equity, the middle market private equity group of Perella Weinberg Partners, for $360 million in cash.
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