Member Directory

Mark Anderson

Law Offices of Thomas C. Mooney
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Mark Anderson
Law Offices of Thomas C. Mooney
Upper Marlboro,

After almost 20 years as a prosecutor, Mr. Anderson brings to the Law Offices of Thomas C. Mooney extensive experience in complex, high profile criminal matters, especially matters involving homicide, violent crimes, and vehicular crimes.

In 2003, Mr. Anderson began his career as an Assistant District Attorney in the Kings County District Attorney's Office in Brooklyn, New York. Mr. Anderson was assigned to the "Red Zone" which was the most violent and busiest division in the office. Mr. Anderson's primary assignment was violent crimes ranging from Robberies to Homicide. Mr. Anderson was cross designated with the Vehicular Crimes Division where he handled repeat DWI Offenders and Vehicular Manslaughter cases. During his time in Brooklyn, Mr. Anderson was promoted to Senior Trial Attorney for conducting dozens of felony and countless misdemeanor jury trials.

In 2008, Mr. Anderson joined the Montgomery County State's Office as an Assistant State's Attorney. During his time in Montgomery County Mr. Anderson was assigned to the Down County Felony Division, Special Victim's Investigation Division, Major Crimes Division, Manslaughter by Motor Vehicle Team and the General Felony Unit as a Deputy Team Leader. Mr. Anderson's assignment consisted of handling the most complex and difficult violent crimes in the County as well as any and all complex automobile manslaughter cases. During his time in Montgomery County Mr. Anderson was promoted to Senior State's Attorney while conducting countless felony jury trials in topics ranging from vehicular manslaughter to homicide. Mr. Anderson is a trained collision reconstructionist having completed over 400 hours of certification in that field. As Mr. Anderson became recognized as the statewide expert in the field of vehicular death cases Governor Hogan's Office requested him to join the board of several Maryland Department of Transportation committees. Beginning in 2009 the Maryland State's Attorney's Association has requested Mr. Anderson to instruct other prosecutors on trial advocacy, vehicular manslaughter, firearm tool mark comparisons, and other complex legal issues. 

Practice Areas

Criminal Law 70%

DWI 10%

Asset Forfeiture 5%

Vehicular Manslaughter 15%

Bar Admissions

Maryland, 2003

New York, 2003

District of Columbia, 2020

Professional Associations

Montgomery County Bar Association, 2010 to Present

American Inns of Court, Barrister, 2016 to Present

Maryland Criminal Defense Attorney’s , Present

Howard County Bar Association, 2015 to Present

Maryland State Bar Association , 2015 to Present

Federal District Court, 2020


University of Baltimore School of Law, Baltimore, Maryland

J.D. - 2002

Honors: Dean's List

St. Mary’s College, St. Mary's City, Maryland

B.A. - 1997

Honors: Dean's List

Major: Economics, Political Science


Trial Advocacy, Maryland States Attorney’s Association, 2009 to 2021

Digital Forensics for Prosecutors, Montgomery County States Attorney’s Association, Present

Firearms/Tool Marks/Daubert , Maryland States Attorney’s Association, Present

The Law of Vehicular Manslaughter , Maryland States Attorney’s Association, 2017

Past Employment

Montgomery County State’s Attorney’s Office, Senior Assistant State’s Attorney, 2008 to 2021

Kings County District Attorney’s Office, or Trial Attorney, 2003 to 2008





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