Shaimaa M. Hussein is a partner in the Litigation Department and serves as Co-Chair of the firm’s M&A Litigation Practice Group. Her practice focuses primarily on the representation of multinational corporations and financial institutions in complex commercial litigation and enforcement actions, including government investigations under the federal securities laws, litigation arising out of mergers and acquisitions and other corporate control transactions, and class action litigation. Shaimaa also regularly represents clients in international and domestic arbitration proceedings before the ICC and AAA. Her clients span public and private companies in various sectors including finance, media, technology, and consumer retail. Shaimaa also acted as an in-house advisor to Goldman Sachs during a secondment to the company’s Anti-Bribery Group.

Shaimaa has been recognized for her contributions to the legal practice, including being named a 2022 Notable Diverse Leader in Law by Crain’s New York, and her inclusion on the 40 and Under List in the 2023 edition of Benchmark Litigation. She is also named to Lawyers of Color’s 2022 “Law Firm Leaders” list. She has also received number awards for her pro bono work. In 2018, Shaimaa was honored as a recipient of both the Federal Bar Council’s Thurgood Marshall Award and the New York State Bar Association’s President’s Pro Bono Service Award in recognition of her ”extraordinary commitment to pro bono service.” In 2017, Shaimaa was recognized by The American Lawyer as “Litigator of the Week” for her role in reuniting a 12-year-old Iranian child with her mother in the U.S. to proceed with vision-saving surgery, after the child had previously been denied entry as a result of President Trump’s Executive Order barring entry by Iranian nationals. Additionally, Shaimaa has been recognized multiple times by the NYSBA as an Empire State Counsel® honoree for her pro bono contributions.


Shaimaa also participates in the following pro bono programs:

  • Representation of asylum seekers from around the world in affirmative asylum applications and removal proceedings in Immigration Court, including successful asylum grants for clients from Ecuador, the Republic of Congo, and The Gambia 

  • Representation of indigent individuals facing federal criminal charges through the Criminal Justice Act Panel, including successful withdrawal of federal indictment for client accused of participating in elaborate mortgage fraud operation

  • Representation of women in contested divorce proceedings through inMotion, a non-profit organization that provides pro bono legal services for indigent women and children 

Shaimaa has advised on the following significant matters:

  • Representation of activist investor Sarissa Capital in a settlement with Alkermes, pursuant to which Sarissa Capital was granted the right to designate a director to the company's Board of Directors
  • Litigation counsel to Third Point in connection with a number of corporate transactions, proxy contests, and legal actions including Third Point’s settlement with Sotheby’s for three board seats and waiver of its poison pill, and a successful proxy contest against Yahoo! that culminated in resignation of Scott Thompson, Yahoo!’s former Chief Executive Officer, and attainment of a 5.8% stake in the company
  • Representation of Xerox Corporation in state and federal court actions arising from proposed transaction with Fuji valued at over $1 billion
  • Advised The Men’s Wearhouse, Inc. in both shareholder litigation and antitrust clearance in connection with its $1.8 billion acquisition of competitor Jos. A. Bank
  • Legal counsel to a number of investment management firms and other financial institutions in connection with domestic and international government investigations
  • Litigation counsel to multinational news and media company in connection with class action suits alleging violations of labor laws
  • Representation of Rural/Metro Corporation, a Warburg Pincus portfolio company, in confirmation of plan of reorganization less than five months after its Chapter 11 filing
  • Advised Rockwood Holdings, Inc. on $1.98 Billion sale of its advanced international ceramics business, CeramTec
  • Representation of former J.P. Morgan employee in connection with government investigations by DOJ, CFTC, EC, FSA and CCB into alleged manipulation of LIBOR by panel banks
  • In re Artio Global Securities Litigation (represent Aberdeen Asset Management in settlement of class action litigation challenging $175 million acquisition of Artio Global) (New York, Del)
  • Dugan et al. v. Towers, Perrin, Forster & Crosby, Inc. (represent former employee-shareholders in $10 million settlement of class action suit challenging merger between Towers Perrin Forster & Crosby Inc. and Watson Wyatt Worldwide Inc.)



Georgetown University Law Center, J.D., 2010 SUNY at Stony Brook, B.A., 2007

Bar Admissions

New York, 2011

Court Admissions

United States District Court, Southern District of New York, 2012 United States Court of Appeals, 5th Circuit

Events & Speaking Engagements

Speaking Engagements
The GAR Live Debate