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About Mario Castro

Mario Castro is an administrative assistant at The Nieves Law Firm, assisting our attorneys and staff with the day-to-day activities that allow us to provide high-quality legal representation for our clients. Originally from Columbia, Mario graduated from high school at a young age and went on to attend the Universidad del Valle, a renowned University Colombia, where he majored in Foreign Languages.

Due to his exceptional work as a student, Mario received a scholarship from the U.S. Department of State to pursue a degree in Southern Arizona. After graduation, Mario worked briefly as a teacher in Colombia before realizing his true interest was centered around helping other people live their best lives, something he gets to do daily at The Nieves Law Firm. He was also selected by the US Embassy in Colombia to serve as a representative in a Model United Nations in San Francisco.

When Mario is not assisting attorneys, staff, or clients, he can be found spending his spare time watching and participating in a variety of sports. He enjoys going to the gym, swimming, and watching Formula One. Mario is also a big fútbol enthusiast and considers himself an avid Atlético Madrid fan.

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