Sindhu Mareen Alexander is a proud graduate of the University of Texas at Austin and Southern Methodist University Dedman School of Law. She has over 25 years of legal and courtroom experience. 

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Mareen Alexander is from Houston, Texas. She earned a bachelor's degree from the University of Texas at Austin and a law degree from the Southern Methodist University Dedman School of Law. She lives in Dallas, Texas.

Sindhu Mareen Alexander is a criminal defense attorney and prosecutor. She began her legal career as an assistant district attorney in Dallas County. In 2002, she launched her own private practice, representing clients in both state and federal court throughout Texas. Alexander also serves as a court-appointed attorney for indigent clients in Dallas County.

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Mareen is the owner and attorney of the Law Office of Sindhu Alexander. She previously worked as an assistant district attorney for the Dallas County District Attorney's Office.

Sindhu Mareen Alexander is a board-certified criminal law attorney with over 25 years of legal and courtroom experience. She began her legal career as an Assistant District Attorney in Dallas County. In 2002, she launched her own private practice, representing clients in both state and federal court throughout Texas. Alexander's work as a court-appointed attorney for indigent clients in Dallas County reflects her core belief that every person deserves to be heard and treated fairly under the law.

Texas elections, 2026 - Ballotpedia

Mareen's campaign for judge of the Dallas County Criminal District No. 5 is her first run for public office.

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As an assistant district attorney, handled a broad range of criminal cases.

As an assistant district attorney in the Dallas County District Attorney's Office for three years, prosecuted civil and criminal cases under state law on behalf of the district attorney’s office, supervised legal and clerical staff, and conducted interviews with victims and witnesses in ongoing cases.

As a private practice attorney, focused on serious felony offenses, particularly child abuse cases, and also represented parents and children in child protective services cases, served as a guardian ad litem for children, and defended juveniles.

As a private practice attorney, focused on serious felony offenses, particularly child abuse cases, and also represented parents and children in child protective services cases, served as a guardian ad litem for children (a court-appointed person to look after and protect the interests of someone who can't take care of themselves), and defended juveniles.

- As an assistant district attorney in the Dallas County District Attorney's Office for three years, prosecuted civil and criminal cases under state law on behalf of the district attorney’s office, supervised legal and clerical staff, and conducted interviews with victims and witnesses in ongoing cases.
- As a private practice attorney, focused on serious felony offenses, particularly child abuse cases, and also represented parents and children in child protective services cases, served as a guardian ad litem for children (a court-appointed person to look after and protect the interests of someone who can't take care of themselves), and defended juveniles.

Legal Experience

As of January 22, 2026, Mareen Alexander’s website did not contain information on this issue.

Judicial Administration

Believes in providing strong legal representation for those who cannot afford an attorney, and supports fair treatment for all individuals under the law.

- Believes in providing strong legal representation for those who cannot afford an attorney, and supports fair treatment for all individuals under the law.

Mareen Alexander

Legal Experience

Judicial Administration

Judicial Philosophy

Ethics & Conduct

Community Involvement