Mr. Cohan received his law degree from Washington University in 1974 and his B.S. degree from Stanford University in 1970. He speaks German, French, and Spanish.

For the past twenty-five years the majority of Mr. Cohan’s practice has been devoted to defending federal criminal tax cases, conspiracies to defraud the United States, money laundering and related criminal charges, including searches and seizures, forfeitures, grand jury proceedings and summons enforcement litigation. Thus far in his career he has achieved dismissals or acquittals of all or substantially all charges in 49 of 78 cases. He has obtained reversals on appeal in 8 criminal cases and 8 civil actions. He has also persuaded the government not to file criminal charges against at least 16 clients. On the civil side, he has litigated several complex cases to multi-million dollar settlements or verdicts. In addition to these accomplishments, he has had more than 70 reported decisions. Mr. Cohan litigated Kilpatrick v. United States in the United States Supreme Court -- a case involving prosecutorial misconduct by the IRS and Department of Justice Tax Division Attorneys. The Supreme Court decided that Kilpatrick had to stand trial on twenty-five (25) felony tax charges despite serious government misconduct. After a three week trial, Kilpatrick was acquitted of all charges. William A. Cohan is AV rated.