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Mark C. Moore


  • (T) 803.540.2146
  • (C) 803.600.2292
  • (F) 803.727.1458

Mark C. Moore, is a former federal prosecutor who serves as the co-chair (along with Judge Billy Wilkins) of Nexsen Pruet’s White Collar Defense/Government  Investigations practice. Mark is a Member (Partner) in the firm’s Columbia office.

Prior to joining Nexsen Pruet in late 2013, Mark served for more than 20 years as an Assistant U.S. Attorney (AUSA) in the District of South Carolina. During his time as an AUSA, Mark held a number of management positions (Deputy Criminal Chief, White Collar Chief, Narcotics/Organized Crime Chief and Public Corruption Chief, to name a few) and prosecuted just about every type of crime imaginable. He also coordinated civil and criminal investigations involving the False Claims Act (FCA). He now uses his vast experience to counsel Nexsen Pruet’s clients.


  • University of South Carolina, J.D., 1987
  • Wofford College, B.A. (History), cum laude, 1984
Bar Admissions
  • U. S. Court of Appeals for the Fourth Circuit
  • U. S. District Court for the District of S.C.
  • South Carolina
Civic & Professional Memberships
  • South Carolina Bar 
  • American Bar Association,White Collar Defense Section
  • Federal Bar Association, Criminal Defense and False Claims Act Sections

  • Fourth Circuit Court of Appeals Criminal Justice Act Appellate Panel Committee (2018-2020)
  • Co-chair of the South Carolina Federal Bar Association’s Criminal Law Committee
  • United States Magistrate Judge Selection Panel
  • "Legal Elite of the Midlands" - Criminal Law
  • Recipient, National Organized Crime and Drug Enforcement Task Force (OCDETF) award for Regional OCDETF Case of the Year (2009, 2012)
  • Recipient, Southeastern OCDETF Regional Coordinators' Award (2004, 2007)
  • Recipient, EOUSA Director's Award for Superior Performance in a Management
  • Certified Legal Lean Sigma® and Project Management Yellow Belt

As a prosecutor, Mark tried approximately 75 criminal cases in state and federal courts and has handled a number of complicated high-profile cases. A few of the most notable cases included:

United States v. Pienkos, et al
This case involved multiple defendants who were found not guilty of conspiring to commit health care fraud.

United States v. Kenyon et al

Racketeering prosecutions of South Carolina attorney and New York businessman involving predicate acts of mail fraud, wire fraud, money laundering and murder.

United States v. Sharpe
Mark lead the first federal prosecution of a sitting South Carolina constitutional officer when he prosecuted South Carolina Commissioner of Agriculture Charlie Sharpe under the Hobbs Act.

United States v. Butts
This health care fraud case involved multiple defendants (including an attorney and several CPAs) who were convicted of defrauding Medicare in a related-parties scheme.

United States v. Morgan, et al; United States v. Betenbaugh et al; United States v. Wells
A series of cases related to the prosecution of public officials (including a mayor, county supervisor, county assessor  and former sheriff ) from Union, South Carolina.

United States v. Cromartie
Income tax evasion and financial structuring prosecution of attorney and Columbia city councilman.

United States v. Pinson, et al; United States v. Zahn; United States v. Bartley
A series of related prosecutions of a South Carolina State University Board Chairman and associates in connection with a complicated bribery/kickback scheme.

United States v. Dong and GenPhar
Related prosecutions of a biotechnology firm and its president involved various offenses related to fraud in the application for and use of federal grant funds and in making illegal federal campaign contributions.

United States v. Melvin
This racketeering trial of the Lee County Sheriff involved charges including drug distribution, soliciting and accepting kickbacks and making false statements.


Since 1996, Mark has served as an instructor, lecturer and working group member for the Office of Legal Education at the NAC in both Washington and Columbia. Mark also conducted extensive training for federal and state law enforcement agents on the rules related to criminal discovery in the federal courts and has spoken at court-sponsored seminars on the United States Sentencing Guidelines.

Samples of Mark's seminars and training include:

  • Conducted regular training for banking executives and officials on the Bank Secrecy Act, Suspicious Activity Reports and anti-money laundering compliance.
  • Speaker at the North American Securities Administrators Association’s 2013 conference in Pittsburgh, Pennsylvania, speaking to state and provincial securities officials from the United States and Canada about legal issues related to the interception of electronic communications.
  • Presented "False Claims Act Cases: Laboratories" at the South Carolina Bar Association's False Claims Act/Qui Tam Whistleblower Litigation Involving Health Care Providers CLE, April 2018.
  • Taught a CLE on The Essentials to Know for White Collar Criminal Defense on March 12, 2019 as part of Nexsen Pruet's Litigation CLE series.
Mark Moore main bio photo - smiling

"Business leaders simply can't be ignorant of the laws that govern their industries. 'Ignorantia juris non excusat.'  It's my job to advise and counsel so that clients understand what's legal and what's not - in the first place."