Mario Cisneros

Attorney at The Law Giant
San Antonio, TX17 years experienceAdmitted 2008

About Mario Cisneros

Mario Cisneros is a personal injury attorney at Law Giant Injury Lawyers, where he has practiced since 2014. His practice areas include personal injury, wrongful death, car accidents, truck accidents, premises liability, products liability, construction accidents, and workplace accidents.

Cisneros earned his Juris Doctor from the University of Houston Law Center in 2008 and his undergraduate degree from the University of Texas at Austin McCombs School of Business. He was admitted to the State Bar of Texas in 2008.

Cisneros began his career at the Cameron County District Attorney's Office (2009-2012), where he served as a prosecutor and Head of the White Collar Crime Division. From 2012 to 2014 he worked as a defense attorney for insurance companies and insureds before joining Law Giant. He has helped recover millions of dollars for clients and tried several cases to verdict. He is a member of the Cameron County Bar Association and the Cameron County Young Lawyers Association and is bilingual in English and Spanish. His honors include recognition on the 2019 Top 50 Personal Injury Verdicts in Texas list for Beard v. Petrochem Transport, Inc., et al.

Proven verdicts and settlements at The Law Giant

These results are credited to The Law Giant. A result appears under an attorney's own name only when a published source names them as counsel on the case.

$1.99 millionVerdict

A Bexar County jury returned a $1,985,430 verdict for Michelle Gibbons after a multi-vehicle collision involving a Danco Construction truck driven by Samuel Reyna Montalvo, though the Fourth Court of Appeals reversed and remanded in August 2025.

73rd Judicial District Court, Bexar County, TX · 2024Truck AccidentsRead the full story →

Prior results do not guarantee a similar outcome. Each case is unique and depends on its own facts.

Practice areas

Education

University of Texas at Austin (McCombs School of Business)
Undergraduate

Bar admissions & credentials

State Bar of Texas, admitted 2008
Cameron County Bar Association
Cameron County Young Lawyers Association

Awards & recognition

Top 50 Personal Injury Verdicts in Texas (2019) - Beard v. Petrochem Transport, Inc., et al.

Other attorneys at The Law Giant

View firm →

Proven verdicts and settlements from other San Antonio firms

Thomas J. Henry
Thomas J. Henry
$230 Million Federal Judgment Over Sutherland Springs Church Shooting
Crosley Law
Crosley Law
$11.49 million · Harris County Jury Awards $11.485 Million to Teen With Brain Injury From Torn Trampoline at Houston Park
Cowen Rodriguez Peacock
Cowen Rodriguez Peacock
$8.75 million · Warehouse Worker Loses Leg in Forklift Crush; Jury Awards $17.5 Million Against Hyster-Yale
Davis Law Firm
Davis Law Firm
$210 million · Bexar County Jury Awards $210 Million in Wrongful Death of Andreen McDonald
George Salinas Injury Lawyers
George Salinas Injury Lawyers
$4.68 million · $4.675 Million Verdict for Worker Struck by an Improperly Rigged HVAC Unit

Prior results do not guarantee a similar outcome. Each case is unique and depends on its own facts.