Burke O'Neil LLC (initially Burke Pyle LLC) was formed in August 2005.

Susan Burke established the firm in order to litigate the Abu Ghraib torture cases. Susan has a wealth of experience litigating complex federal court actions, including antitrust, ERISA and employment, False Claims Act and RICO actions.
Susan Burke biography

In March 2006, William O'Neil, a former colleague from Susan’s Covington & Burling years, joined the firm as a partner. Bill had spent many years litigating insurance coverage matters at Swidler and Berlin in Washington D.C. Bill heads up the firm’s office in Washington D.C.
William O'Neil biography

In January 2007, Elizabeth Burke, a University of Virginia law graduate who spent her formative professional years with Cleary Gottlieb (and Susan’s sister), joined the firm as a partner. She spends the majority of her time in the Charlottesville, Virginia office, working primarily on the firm’s human rights work and white collar investigations.
Elizabeth Burke biography

In May 2008, William Gould, a former federal prosecutor with the U.S. Department of Justice, joined the firm as a partner. Based in the Charlottesville, Virginia office, Bill's practice focuses on white collar criminal defense and human rights litigation.
William Gould biography