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Leadership Team

Randolph J. Bernard – First Assistant United States Attorney

Randy Bernard

Randolph J. Bernard is the First Assistant United States Attorney. Mr. Bernard previously served as the Chief of the Criminal Division. Mr. Bernard joined the office in 2002, and has experience prosecuting a wide range of criminal cases, including drugs and violent crimes, firearms, white collar offenses, fraud and tax cases, and child pornography cases.

Mr. Bernard has also served as the District Office Security Manager.

Before becoming an Assistant United States Attorney, Mr. Bernard served as a Special Agent with the Federal Bureau of Investigation in the Wheeling, West Virginia Resident Agency. Prior to the FBI, he was a litigator with Coolidge, Wall, Womsley & Lombard in Dayton, Ohio.

Mr. Bernard is a 1987 magna cum laude graduate of Ohio Northern University College of Law and a 1984 graduate of Indiana University of Pennsylvania.

Christopher J. Prezioso – Civil Division Chief

Christopher Prezioso

Christopher J. Prezioso is the Chief of the Civil Division.  Since joining the U.S. Attorney’s Office in 2018, Mr. Prezioso has acted as lead counsel in a wide variety of civil matters including defense of Federal Tort Claims Act cases; defense of Employment Discrimination cases; and civil prosecution of Affirmative Civil Enforcement cases.  Mr. Prezioso also serves as the Civil Health Care Fraud Coordinator, which requires him to actively manage civil health care related cases brought pursuant to the False Claims Act and Controlled Substances Act.    

Mr. Prezioso is a lifelong resident of West Virginia and has practiced law throughout the state since he was admitted to the West Virginia State Bar in 2003.  Before joining the United States Attorney’s Office, Mr. Prezioso worked at Dinsmore & Shohl, LLP in the civil litigation practice group.

Mr. Prezioso is a 2003 graduate of the West Virginia College of Law and a 2000 graduate of Fairmont State University.

Stephen L. Vogrin – Criminal Division Chief

Stephen L. Vogrin

Stephen L. Vogrin is the Criminal Division Chief in the Wheeling Office.  Mr. Vogrin joined the office in 2012, and has experience prosecuting a wide range of criminal cases, including drugs and violent crimes, firearms, immigration, sexual assault, and child pornography cases.  Mr. Vogrin has also served as the Project Safe Childhood Coordinator for the office.    

Before joining the United States Attorney’s Office, Mr. Vogrin was an Assistant Prosecuting Attorney in Ohio County, West Virginia for 12 years.  Mr. Vogrin was the gun and violent crime prosecutor during his tenure at the Ohio County Prosecutors Office.   Mr. Vogrin successfully prosecuted cases involving Murder, Robbery, Kidnapping, Sexual Assault, Burglary, Malicious Assault, Firearms Violations, Drug Violations, and Child Victim crimes. 

A graduate of Wheeling Park High School, Mr. Vogrin received a Bachelor of Arts Degree from Bethany College and a Law Degree from West Virginia University.   


Fawn E. Thomas – Administrative Officer

Fawn Thomas

Fawn E. Thomas is the Administrative Officer, serving as the Chief of the Administrative Division and as the primary advisor to the United States Attorney for planning and managing all office resources.

Ms. Thomas has been with the office since 1983, and prior to her appointment as Administrative Officer, she served as the Public Affairs Specialist and the Human Resource Specialist.

Ms. Thomas has previously served as an EEO Investigator for the Executive Office for United States Attorneys and an Evaluation and Review Staff Evaluator. Ms. Thomas also served on the Administrative Officers' Working Group.

Erin Reisenweber - Branch Office Supervisor Martinsburg

Erin Reisenweber

Erin Reisenweber is a civil AUSA in the Martinsburg office.  She has been with the office since 2007.  Prior to being an AUSA, Erin was the Deputy in Charge of the U.S. District Clerk’s Office in Martinsburg for a short period of time.  Before that she was a law clerk to the Hon. W. Craig Broadwater, U.S. District Court for the Northern District of West Virginia, and to the Hon. Christopher C. Wilkes, Berkeley County Circuit Court.  Erin is a graduate of the West Virginia University College of Law.  

Andrew Cogar - Branch Office Supervisor Clarksburg

Andy Cogar

Andrew Cogar is the branch office supervisor in the Clarksburg office.  Since joining the U.S. Attorney’s Office in 2007, Mr. Cogar has prosecuted white collar crimes, drug and violent crimes, firearm offenses, and public corruption.  He also co-founded and co-chairs the West Virginia Human Trafficking Task Force, and recently served as Senior Litigation Counsel in the U.S. Attorney’s Office.

A proud native of Gassaway, Mr. Cogar earned degrees in communication studies and mathematics from West Virginia University, graduating summa cum laude.  While at WVU, Mr. Cogar also had the honor of serving as the Mountaineer mascot for two years. He then studied mathematics and philosophy at the University of Glamorgan in Wales as a Rotary Ambassadorial Scholar. Mr. Cogar subsequently graduated with highest honors from the WVU College of Law, where he served as editor-in-chief of the West Virginia Law Review.  Before becoming an AUSA, he completed a clerkship with United States District Court Judge Irene M. Keeley and worked as a trial attorney in the Civil Rights Division of the Department of Justice in Washington, D.C. .

Updated March 8, 2024