Winston & Strawn

Securities Litigation

https://www.winston.com/en/who-we-are/professionals/o-neil-william-c.html#full-bio

Bill O’Neil is an accomplished trial lawyer who litigates and facilitates resolution of high-stakes business disputes. Bill has tried over 20 cases to verdict, including three in the past 10 months alone. Bill is a sought-after counselor to some of America’s largest corporations and private equity funds. Widely regarded as one of the nation’s preeminent M&A litigators, Bill has litigated dozens of buyer-seller disputes in the Delaware Court of Chancery, and won what is regarded as the largest working-capital dispute in U.S. M&A history. Bill is regularly quoted in The Wall Street Journal regarding the representation and warranty (R&W) insurance market.