Hayley Ryan


Ryan, Hayley

Hayley Ryan is an associate who represents a broad range of clients in complex corporate matters. She represents public and private companies in a variety of industries, including technology, life sciences and financial services.

Prior to joining the firm, Ms. Ryan was a summer associate at law firms in Boston, MA and Cleveland, OH. As a summer associate she worked with emerging companies on a variety of matters, including assisting with incorporations, drafting terms of use for websites and revising employee social media policies. She also researched various regulatory compliance issues posed by a client's planned expansion into the consumer lending industry and assisted with ongoing multi-district litigation by drafting motions in limine and motions to transfer.

As an undergraduate, Ms. Ryan interned with the Philadelphia District Attorney's Office, where she helped Assistant District Attorneys prepare for trial.

Publications & News


December 29, 2017

WilmerHale Represents Arsanis in Closing of Initial Public Offering

Arsanis, Inc., a clinical-stage biopharmaceutical company focused on applying monoclonal antibody immunotherapies to address serious infectious diseases, announced the closing of its initial public offering of 4,600,000 shares of its common stock at a public offering price of $10 per share, including 600,000 additional shares of common stock issued upon the exercise in full by the underwriters of their over-allotment option.

October 30, 2017

WilmerHale Represents Consumer Physics in $4.95M Series C Funding

Consumer Physics—developer of SCiO, the world's first pocket-sized connected micro-spectrometer—completed its Series C financing round raising a total of $4.95 million.

April 28, 2017

2017 M&A Report

Our 2017 M&A Report provides a detailed global M&A market review and outlook. Other highlights include takeover defenses for public companies; key lessons for buyers and sellers considering earnouts; recent developments in merger control regulation; common interest privilege protection among deal parties; special considerations in California M&A deals; acquisition financial statement requirements for IPO companies; a comparison of deal terms in public and private acquisitions; and key terms and issues in sales of VC-backed companies.


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JD, University of Virginia School of Law, 2016, Editorial Board, Virginia Journal of Social Policy and the Law

BA, Psychology, summa cum laude, Ohio Wesleyan University, 2011, Phi Beta Kappa

Bar Admissions


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