Sonya Pfeiffer

Rudolf Widenhouse

My Contact Information

Rudolf Widenhouse
Charlotte, NC
Phone 1: (704) 333-9945

Social Links


North Carolina


Admissions & Qualifications

North Carolina State Bar
Massachusetts State Bar
District of Columbia Bar
Western District of North Carolina
Middle District of North Carolina
Eastern District of North Carolina
U.S. Supreme Court



 Ohio University, E.W. Scripps School of Journalism, 1995, Summa Cum Laude in Journalism

University of North Carolina School of Law, J.D., 2007 With Honors

 Professional Profile

Sonya represents defendants in complex white collar investigations and prosecutions in federal court, individuals in corporate and government investigations, as well as criminal clients in high-profile, serious felony cases in state court.  Sonya also represents indigent clients in a variety of federally appointed cases, and a number of pro bono clients in civil and criminal-related matters, including several declarants in the U.S. Department of Justice’s HB2 federal suit against the state of North Carolina and death row inmates in North Carolina’s Racial Justice Act litigation.  She also represent plaintiffs in civil rights cases involving wrongful convictions.

Representative Matters

  • Represented individual in international investigation led by U.S. Department of Justice into alleged mineral and natural resources fraud ring
  • Represented individuals in U.S. Department of Justice Investigation into Duke Power coal ash accident
  • Represented individual executive in U.S. Department of Justice investigation into alleged unfair and deceptive trade practices
  • Represented healthcare executive in Medicaid fraud investigation by U.S. Department of Justice
  • Represented small business owners in structuring investigation by U.S. Department of Justice
  • Represented former town finance director in embezzlement investigation by U.S. Department of Justice
  • Represented prominent national politician in campaign finance investigation by U.S. Department of Justice
  • Represented campaign donor investigated for campaign finance violations by N.C. Attorney General

Practice Areas

  • Government Investigations
  • Healthcare
  • Title IX
  • Trials
  • White Collar Crime