
Roland Walker – Criminal and Civil Litigation, State and Federal Courts
A summa cum laude and honors graduate of the University of Baltimore School of Law, Roland Walker was admitted to the Maryland State Bar in 1952. He served on active duty until 1955 in the Judge Advocate Generals’ Corps, U.S. Army, defending individuals before General Courts Martial.
Serving with Volunteers in Service to America (VISTA) as an attorney, Roland Walker counseled grass roots organizations and economically disadvantaged people groups in housing and human rights. He has served as a lecturer at the University of Baltimore Law School and as Vice President of X-cell, Inc., a residential drug and alcohol rehabilitation center.
Practicing Criminal & Civil Litigation in State & Federal Courts
In private practice since 1955, handling state and federal litigation both criminal and civil, Attorney Walker has extensive experience in both jury and non-jury cases. Currently, he holds a membership in the National Association of Criminal Defense Lawyers, the American Trial Lawyers Association, and local bar associations. He is admitted to the United States Supreme Court Bar.

Marc L. Zayon – Criminal and Civil Litigation, State and Federal Courts, Personal Injury, Worker’s Compensation
Marc L. Zayon graduated with honors from the University of Baltimore School of Law where he excelled in criminal law and trial advocacy courses. He also graduated from the University of Maryland at College Park, with a degree in Government and Politics.
In 1996, Marc L. Zayon became a member of the Maryland State Bar and immediately began to work as an Assistant State’s Attorney in Baltimore County where he prosecuted felony, misdemeanor, and traffic cases in the district, juvenile, and circuit courts. During Mr. Zayon’s tenure at the Baltimore County State’s Attorney Office, he was the Assistant State’s Attorney in charge of the juvenile division.
Marc L. Zayon has received accommodation from the Maryland House of Delegates for his work as Assistant State’s Attorney. Mr. Zayon is a member of the Federal and State Bars as well as a member of the Maryland State Bar Association and the Baltimore County and Baltimore City Bar Associations.

Jason E. Silverstein graduated from the University of Baltimore, School of Law in 1999. Prior to that, he obtain degrees in political science and history from Miami University in Oxford, Ohio. He began his legal career with a law firm in Columbia, Maryland were he tried cases involving complex legal issues and conducted over a thousand real estate settlements. At the end of 2000, Mr. Silverstein joined the Baltimore City State’s Attorney’s Office as an Assistant State’s Attorney. While with the State’s Attorney’s Office, he prosecuted many serious misdemeanors and felony cases. During his last five years with the office, he was selected to supervise the prosecution of felony narcotics cases, including Title III (Wire Tap), which involved large amounts of narcotics transported into the State of Maryland from other states or countries. Since joining the law firm of Roland Walker and Marc Zayon, PA, he has been actively involved in the defense of clients who were charged with serious felony and misdemeanor offenses and has been successful in bringing to this firm his extensive background in those areas of the law.
Contact Jason

Allison R. Levine graduated cum laude from the University of Baltimore, School of Law. She was a Criminal Law “law scholar” and a Senior Executive Editor on University of Baltimore Law Review. Prior to that, she obtained her journalism degree from the Philip Merrill College of Journalism at the University of Maryland, College Park. Allison, a native of the Baltimore region, worked at the Baltimore City State’s Attorney’s Office where she focused on Responses to Motions for Post Conviction Relief, Motions for Modification or Sentence, and various post-verdict claims for relief. Since joining the law firm of Roland Walker & Marc Zayon, P.A., she has handled the firm’s post-verdict/collateral appeals practice including the writing of, and the litigation of, Motions for Post Conviction Relief, Motions for Modification, Writ of Error Coram Nobis, and Writ of Actual Innocence. She has also been actively involved in the defense of clients charged with misdemeanor and felony offenses. Ms. Levine also handles civil litigation involving medical malpractice, automobile accidents, and other personal injury matters. Allison is a member of the Maryland and Federal Bars as well as a member of the Maryland State Bar Association and the Baltimore City Bar Association.
Contact Allison