Kimberly C. Petillo-Décossard

Kimberly C. Petillo-Décossard


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Cahill Gordon & Reindel LLP
32 Old Slip
New York, NY 10005



  • Furman University, B.A., 2000, cum laude
  • Albany Law School, J.D., 2005, magna cum laude; Albany Law Review, Executive Editor for State Constitutional Commentary


  • New York

As co-chair of Cahill’s M&A and Corporate Advisory practice groups, Kimberly advises corporations, boards, private equity firms and family offices on complex business law matters, focusing on mergers and acquisitions and other strategic transactions. She also advises on acquisition finance, growth equity and other minority investments, governance, disclosure and compliance matters. 

Named one of 2020’s “Most Influential Women in Mid-Market M&A” by Mergers & Acquisitions magazine, she is also listed on Lawdragon's The 500 Leading Lawyers in America guide, and recognized as Highly Regarded by IFLR1000 and a Leading Lawyer by The Legal 500 with one client remarking, “Kimberly is terrific, she is a practical leader focused on executing transactions for her clients.” Kimberly was named among the Notable Women in Law in 2020 by Crain’s New York Business and in 2018 she was selected as a Rising Star by the New York Law Journal and an Emerging Leader by The M&A Advisor. In 2020, Kimberly was shortlisted for IFLR1000’s Lawyer of the Year: M&A.

Kimberly has experience practicing in a variety of industries, including: biotechnology, energy, financial services, health care, insurance, manufacturing, media, pharmaceutical, retail and technology. Current representations include 1-800-Flowers, Arch Capital Group Ltd., Broadridge Financial Solutions, Dyadic International, Inc., Envigo RMS Holdings, ICON plc, North European Oil Royalty Trust, Parkland Fuel Corporation, Trans World Entertainment Corporation and other privately and publicly-held companies.

A highly-sought speaker and author on M&A, transactional matters and corporate governance topics, Kimberly has written pieces for The DealCorporate Board Member magazine and Directorship, a publication of the National Association of Corporate Directors. She has both moderated and spoken on panels at The Deal Economy Conference in New York, served on a panel sponsored by the ABA’s Women in M&A Task Force, moderated an M&A discussion at BIO’s CEO Conference and co-chaired Thomson Reuters’ NY M&A Forum, among others.

Kimberly co-chairs Cahill’s Business Development Committee, serves on Cahill’s Women’s Initiatives Committee and also serves on the Association for Corporate Growth (NY) Women of Leadership committee, which focuses on facilitating connections among women leaders in the deal-making community.

Kimberly recently founded the Women’s Leadership Initiative (“WLI”) at Albany Law School and chairs the WLI Advisory Committee.  Kimberly also serves on the Board of Trustees and Dean’s Leadership Council at Albany Law School, the Board of Trustees at Tuxedo Park School and New York-Presbyterian’s Leadership Council on Children’s and Women’s Health.  She has previously served on the Leadership Advisory Committee of the National Women’s Law Center and the Board of Directors of PowerPlay NYC, a non-profit dedicated to advancing the lives of girls through sport.

M&A Transactions:  Representation of

  • 1-800-Flowers in connection with its:
    • Sale of Fannie May Confections Brands, Inc.
    • Acquisition of Harry & David and the related acquisition financing
    • Acquisition of
    • Acquisition of Shari’s Berries Brand
  • Arch Capital in connection with its acquisition of Watford Holdings
  • Ascend Health Corporation in connection with its acquisition by Universal Health Services, Inc.
  • Cable One. Inc. in its acquisition or investment in three communications service providers
  • Colt Defense in connection with its acquisition of New Colt Holding Corp., the parent company of Colt’s Manufacturing Company LLC
  • Dyadic International, Inc. in connection with its sale of substantially all of the assets of its Industrial Technology business to DuPont Industrial Biosciences
  • Envigo International Holdings in connection with the sale of its nonclinical contract research services business to LabCorp, and the simultaneous purchase by an Envigo subsidiary of LabCorp’s research products business
  • ICON plc in connection with its:
    • Acquisition of Aptiv Solutions, Inc.
    • Acquisition of Clinical Research Management, Inc.
    • Acquisition of the clinical trial services division of Cross Country Healthcare, Inc., which includes ClinForce, LLC and its subsidiaries, Assent Consulting, Inc. and Metropolitan Research Associates, Inc.
    • Acquisition of MolecularMD, a Portland, OR-based molecular diagnostics lab
    • Acquisition of Symphony Clinical Research
  • IDP Holdings, a joint venture of Ironshore Holdings and The Distinguished Programs Group in connection with its acquisition of the hospitality business of National Specialty Underwriters
  • Integro Ltd. in connection with its acquisition by entities affiliated with Odyssey Investment Partners, LLC
  • Ironshore Inc. in connection with the acquisition by Fosun International Limited
  • S&P Global in connection with its acquisition of 451 Research, LLC
  • Springs Industries in connection with its acquisition by private equity firm Golden Gate Capital
  • The Empire District Electric Company in connection with its acquisition by a subsidiary of Algonquin Power & Utilities Corp.
  • The Shade Store LLC in connection with Great Hill Partners’ investment in the Company

Corporate Finance Transactions:  Representation of

  • Arch Capital Group Ltd. In $1.0 billion notes offering
  • Broadridge Financial Solutions, Inc. in connection with its amended and restated $1.0 billion revolving credit facility and $750 million notes offering
  • Forbes Media LLC in connection with its $55 million credit facility
  • Foresight Energy LLC in connection with the Rule 144A offering of $600 million aggregate principal amount of 7.875% Senior Notes due 2021
  • Foresight Energy LP in connection with its initial public offering of common units
  • Horizon Global Corporation in connection with a new $200 million term loan facility and $85 million asset-based revolving credit facility entered into simultaneously with its spin-off by TriMas Corporation
  • ICON plc in connection with the private placement of $350 million aggregate principal amount of 3.64% Senior Notes due 2020
  • Parkland Fuel Corporation in $500 million notes offering
  • The Empire District Electric Company in connection with the private placement of $88 million 3.58% First Mortgage Bonds due 2027, $30 million 3.73% First Mortgage Bonds due 2033, $120 million 4.32% First Mortgage Bonds due 2043, and $60 million 4.27% First Mortgage Bonds due 2044
  • TriMas Corporation in connection with the Rule 144A offering of $300 million aggregate principal amount of 4.875% senior notes due 2025, its $300 million senior secured revolving credit facility and several offerings of shares of its common stock