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James Rubin grew up in Pittsburgh, Pennsylvania until his family settled in Houston, Texas in 1990.  Mr. Rubin was raised in a bi-cultural environment and is a first generation American, his family having immigrated from Argentina. Growing up, James excelled as a student and athlete, winning notable long-distance running events throughout a period of four years while maintaining a 4.0 GPA.

In 2003, he graduated cum laude from Baylor University in Waco, Texas, with a Bachelor of Arts in Anthropology. In 2004, James was admitted to the University of Tulsa College of Law in Tulsa, Oklahoma, where he actively participated as a staff member of the Energy Law Journal, publishing case reviews related to political and environmental issues.  As a law student in Tulsa, he became a Judicial Intern to The Honorable Gregory K. Frizzell, from the Tulsa County Court House, and assisted The Honorable David. L. Peterson with research in drug-related cases and cases involving the loss of judicial immunity in drug courts by Oklahoma Supreme Court Judges.

To diversify his training, James became a visiting student at the University of Houston Law Center, later gaining admission to the State Bar of Texas in 2008. Throughout 2008, Mr. Rubin served as Assistant District Attorney at the Smith County District Attorney’s Office in Tyler, Texas, where he held the position of Misdemeanor Prosecutor. As an assistant DA, James obtained valuable experience in plea negotiations, witness preparation, trial preparation, probation revocation, and Justice of the Peace trials.  

In 2009, James took the position of Criminal Defense Attorney at The Steinmann Law Firm, in The Woodlands, Texas, where he became responsible for the Misdemeanor and Felony Criminal Division.  In his position, James conducted intake of cases, plea negotiations with the District Attorney’s Office, trial preparation, motions to adjudicate or suppress, and drafted legal memoranda.

In late 2009, James became a criminal defense associate attorney for the law firm of Sullo & Sullo, LLP. During Mr. Rubin’s ten-year tenure with the firm, he handled thousands of criminal cases and tried well over 300 cases to jury trial. James currently resides in Houston. His fluency as a Spanish speaker and his understanding of Latin American cultures enrich the services we provide to our clients.


Baylor University - Waco, TX

  • BA in Anthropology - Cum Laude

  • Dean’s List - 2000-2002

University of Tulsa College of Law - Tulsa, Oklahoma

  • Intern to The Honorable Gregory K. Frizzell

  • Intern to The Honorable Judge David. L. Peterson


  • Assistant District Attorney, Misdemeanor Popsecutor, Smith County District Attorney’s Office- 2008-2009

  • Criminal Defense Attorney, Steinmann Law Firm- 2009

  • Criminal Defense Attorney, Sullo & Sullo, LLP- 2009-2018