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Cahill Gordon & Reindel LLP

Work +1 212 701 3000
London, New York, Washington DC

William Hartnett

Work 212.701.3847
Cahill Gordon & Reindel LLP


William M. Hartnett is chairman of the Executive Committee and has been a partner at Cahill Gordon & Reindel LLP since 1987. Mr. Hartnett advises leading commercial and investment banking firms and public and private companies in a broad range of domestic and cross-border capital markets and lending transactions, including leveraged bank financings, out-of-court restructurings, mergers, acquisitions and debt and equity-linked securities offerings. Serves as outside corporate counsel to a number of public and private companies and has extensive experience representing special committees of the boards of directors of public companies in connection with strategic transactions and related compliance matters.


Rider University, B.A., 1976, cum laude
Fordham University School of Law, J.D., 1979, cum laude

United States: Finance

Capital markets: debt offerings

Within: Capital markets: debt offerings

Widely admired for its market leading high-yield debt capability, Cahill Gordon & Reindel LLP also garners a significant volume of investment grade work. The firm is widely revered for its strong links to underwriters and attracts strong praise for its ‘ability to nurture client relationships’, ‘peerless business acumen’ and ‘deep bench’ and it is regularly called upon by all the major national and global investment banks. The ‘very commercial and strategicJonathan Schaffzin co-heads the New York-based team and with John Tripodoro advised the joint book-running managers and the co-manager on Rackspace Hosting’s $1.2bn senior notes offering. In another key headline, James Clark acted for Bank of America Merrill Lynch and JP Morgan as the lead book-running managers on Symantec’s $1.1bn offering of notes. The ‘extremely experienced’ team also benefits from the senior expertise of William Hartnett, Douglas Horowitz and group co-chair Daniel Zubkoff.

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Capital markets: equity offerings

Within: Capital markets: equity offerings

Traditionally better known for its high-yield debt practice, Cahill Gordon & Reindel LLP’s strong underwriter relationships continue to translate into an increasing volume of equity deals. Among its recent work, high-profile partner Jonathan Schaffzin and William Miller advised the underwriters on a $2.1bn stock offering by Equinix. Miller also led advice to the underwriters on Keane Group’s $584.7m IPO. Elsewhere, James Clark and Miller acted for the underwriters on two common stock offerings by Mercury Systems totaling $398m, while Douglas Horowitz assisted Wells Fargo Securities as sole book-running manager with PBF Energy’s $275.3m public offering. The New York-based team also benefits from the experience of Daniel Zubkoff, William Hartnett and John Tripodoro.

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Capital markets: high-yield debt offerings

Within: Leading lawyers

William Hartnett - Cahill Gordon & Reindel LLP

Within: Capital markets: high-yield debt offerings

Head and shoulders above the rest’, Cahill Gordon & Reindel LLP continues to sit alone at the top of the manager-side ranking due to its ‘outstanding lawyers’, ‘key experience on major deals’ and ‘unmatched strength-in-depth’. Certainly, the New York-based practice secures plum roles on many of the most sophisticated deals to come to market and impresses both in terms of deal value and deal volume. Partners garner rave reviews, with James Clark highlighted as ‘the best high-yield specialist bar none’. Clark and Corey Wright advised on a string of transactions stemming from the spin-offs of LSC Communications and Donnelley Financial Solutions from R.R. Donnelley & Sons, including assisting the initial purchasers with the Rule 144A offering by LSC of $450m of senior secured notes. John Tripodoro is ‘a consummate professional’ and with department co-head Jonathan Schaffzin advised the joint book-running managers and co-manager on Rackspace’s $1.2bn notes offering. William Hartnett is ‘a high-yield powerhouse’ and with William Miller acted for the initial purchasers on HCA’s $1.5bn notes offering. Other senior names to note include Douglas Horowitz and department co-lead Daniel Zubkoff, while Joshua Zelig and Marc Lashbrook are also highly rated. Ann Makich retired.

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United States: M&A/corporate and commercial

M&A: middle-market (sub-$500m)

Within: M&A: middle-market (sub-$500m)

With a client base including public and private companies across a variety of industries, Cahill Gordon & Reindel LLP advises buyers, sellers, boards of directors and committees, as well as directors and officers, on M&A transactions, dispositions, joint ventures, spin-offs and other significant strategic transactions. The firm’s deal attorneys regularly work alongside its tax, antitrust, real estate, environmental, IP, and executive compensation and employee benefits practices. Department head William Hartnett, who advises public and private companies and commercial and investment banking firms, and M&A specialist Kimberly Petillo-Décossard advised on the $115m sale of its Fannie May Confections Brands’ business, including its subsidiaries Fannie May Confections and Harry London Candies, to Italy-based Ferrero International; and in the large deal market, John Schuster and Susanna Suh acted for Bermuda-based specialty insurance company Arch Capital Group in its $3.26bn acquisition of United Guaranty Corporation and AIG United Guaranty Insurance (Asia) from American International Group; while Michael Sherman led advice to The Empire District Electric Company on its sale to a subsidiary of Algonquin Power & Utilities Corp. Other key deals included assisting Envigo International Holdings with its proposed merger with Avista Healthcare Public Acquisition Corp, and acting for clinical science-driven data services company MedAvante in its sale to WIRB-Copernicus Group, the world’s largest provider of regulatory and ethical review services for human research. Helene Banks has extensive experience practicing in the food, beverage, entertainment, media, healthcare, and insurance industries. All named advisers are based in New York.

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