Attorney Profiles

Mark Diaz – Experienced and Aggressive Texas Criminal Defense Attorney

As a criminal defense Attorney in Galveston, Mark Diaz has been aggressively defending the rights of Texans for over eighteen years. A 1998 graduate of Thurgood Marshall School of Law who obtained his undergraduate degree from the University of Houston, Mark concentrates his practice solely in the area of criminal defense. He is admitted to practice law in all Texas state courts as well as federal court in the United States District Court for the Southern District of Texas. Mark is a seasoned litigator who has tried every kind of criminal defense case.

Mark understands that being charged with a crime is an emotional and personal challenge. He considers criminal defense his life’s work, and he is committed to providing each client with personalized attention, affordable representation, and the best defense available anywhere. Mark prides himself on his ability to quickly respond to the needs and concerns of his clients. In the realm of criminal defense, questions and concerns can’t always wait until morning. Mark’s clients receive his cell phone number, so they can connect any time they need help. From arrest through trial, Mark works hard to get the best possible results in and out of court. To speak to Mark about your case and find out how he can help you defend your rights, call him at (409) 515-6170. He offers free consultations and easy, complimentary parking at his Galveston, Texas office. Se Habla Español.

Contact Me At: mark@texascriminaljustice.com


Gregory J. Guarino, Jr

Gregory J. Guarino, Jr
Attorney Gregory J. Guarino, Jr. is a fourth generation Houstonian. After graduating Stratford High School, he attended the University of Texas at Austin. While at Texas, Greg studied abroad in Barcelona, Spain where he learned Spanish. After college, Greg lived in Arequipa, Peru for a month where he volunteered at an orphanage. Greg went on to obtain his law degree at South Texas College of Law. After law school, Greg worked as an assistant District Attorney at the Galveston County District Attorney’s Office. Greg handled misdemeanor cases as an ADA trying cases to jury verdict.

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Katy Jo Muncie

Katy Jo Muncie is an experienced and aggressive trial lawyer. She grew up in the Texas Hill Country along the beautiful Guadalupe River. Katy Jo attended The University of Houston on a full academic scholarship awarded to only thirteen high school seniors in the state. After graduating from The University of Houston with honors, Katy Jo obtained her law degree from South Texas College of Law. At South Texas, she excelled in the school’s nationally ranked advocacy program. Katy Jo won a national moot court championship and received multiple top advocate awards during her time there.

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Jessica Ebbs

Jessica Ebbs was raised and has lived in Galveston County her entire life. In 2012, Jessica graduated cum laude from Sam Houston State University with a Bachelor of Business Administration in Accounting. After college, she attended South Texas College of Law to obtain her law degree.

After completing law school, Jessica started at the Galveston County District Attorney’s Office as an Assistant District Attorney. She began her legal career as an ADA and handled solely misdemeanor cases and was responsible for handling a large volume of cases from the beginning to end and in many situations, trying those cases to a jury.

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