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Meet Attorney Mark D. Johnson. Founding Partner of Johnson Law Group

Mark D. Johnson

Mark D. Johnson has been practicing law for approximately 20 years. Mr. Johnson crafted the firm with his unparalleled knowledge of criminal law, the finest attorneys in central Illinois and with the insistence that quality of service would be at the nucleus of the organization. Mr. Johnson has defended clients facing serious charges, including: multiple murder cases, serious drug cases, multi-million dollar fraud cases, aggravated sex offenses, etc. Mr. Johnson has earned the respect of judges, prosecutors and State and Federal authorities as an aggressive attorney who is not afraid to issue a bold challenge. Prior to founding Johnson Law Group, Mr. Johnson held a number of important positions including being a police officer, a county prosecutor, an Assistant State's Attorney and an Assistant Attorney General. Mr. Johnson has served as counsel for various Illinois Municipalities and is currently an Arbitrator for the Eleventh Judicial Circuit.

Mark was born and raised in Central Illinois and was 1 of 4 children growing up and was taught early-on by his father, who was a meat cutter, about the importance of putting in a hard and honest day's work. In his spare time, Mark enjoys working out and hiking in the great outdoors. Mark has a number of personal accomplishments in life including: running marathons, riding centuries (100 mile bike rides), completing summit climbs in the mountains and over glaciers, skydiving, etc.

Bar Admissions

  • Illinois
  • Alabama
  • U.S. District Court Central District of Illinois
  • U.S. District Court Southern District of Illinois
  • U.S. District Court Northern District of Illinois
  • Special Admittance in Arizona Federal Court

Areas of Practice

  • 100% Criminal Law

Certified Legal Specialties

  • Law Enforcement Mandatory Firearms Training
  • Department of Treasury Financial Investigative Techniques
  • Illinois Secretary of State Investigating Crimes on the Internet


  • Northern Illinois University College of Law, DeKalb, Illinois (J.D.)
  • Illinois State University (B.S.)

Honors and Awards

  • Voted Top 100 Lawyers in the United States by the National Trial Lawyers Association

Professional Associations and Memberships

  • Association of Trial Lawyers of America
  • National Association of Criminal Defense Lawyers
  • American Trial Lawyers Association
  • Illinois State Bar Association
  • American Bar Association
  • Federal Bar Association
  • Multiple County and Local Bar Associations
  • Illinois Secretary of State Investigating Crimes on the Internet
  • National Rifle Association , Member
  • Illinois State Rifle Association, Member
  • Illinois Bar Foundation
  • McLean County Bar Association

View the firm's profile at & contact us today!


  • Top 100
  • Who's Who
  • 10 best criminal attorneys
  • 40 under 40
  • AVVO Rating
  • BBB
  • 10 Best law firms
  • National DUI Defense College
  • ABA
  • The Association
  • American Association for Justice

Reasons to Hire Johnson Law Group:

  • Over 100 years of combined experience in Criminal Law.

  • Our attorneys have won numerous awards and distinctions.

  • Customized results-driven case strategies.

  • Passionate legal representation, inside and outside of court.