Fred Casillas

A man in a gray suit and red tie sitting at a wooden desk in an office, with a closed laptop in front of him and a framed picture on the wall behind.

Of Counsel | Trusted Advisor | Veteran Attorney


For more than 25 years, Fred Casillas has served individuals, families, and businesses across San Antonio with integrity, professionalism, and a deep commitment to doing what’s right. Now serving as Of Counsel at Christian & Nisbet, Fred brings a legacy of legal knowledge and client-focused advocacy that continues to influence the firm’s work today.

A FOUNDATION BUILT ON EXPERIENCE AND TRUST


Fred began his legal career with a clear mission: deliver excellent results while treating every client with honesty and care. Over the years, he’s built a respected practice in both litigation and transactional matters, representing clients in personal injury, civil disputes, family law, and estate planning.

As a skilled negotiator and trial attorney, Fred has guided countless clients through high-stakes situations—whether in the courtroom or at the conference table. His calm, analytical approach and genuine connection with clients earned him not only success, but trust that lasts across generations.

Today, as Of Counsel to the firm, Fred continues to advise on select cases, offering insight and strategic support rooted in decades of experience.

Areas of Focus

Civil litigation and business disputes

Personal injury and wrongful death

Divorce and family law matters

Estate planning and probate

General counsel and strategic advisory roles

  • Fred has successfully represented clients in Texas trial courts at every level—justice, county, and district. His broad civil background makes him a go-to resource for cases requiring both litigation and long-term planning.

    He’s also known for his responsiveness and professionalism, having built strong relationships with legal peers, court personnel, and clients throughout South Texas.

    • J.D. – Baylor University School of Law

    • B.B.A., Accounting – University of Texas at San Antonio

  • Licensing and Admissions

    • Supreme Court of Texas

    • U.S. District Courts – Western & Southern Districts of Texas

    • Licensed to practice law in Texas since 1994

    In the Community

    A proud San Antonian, Fred gives back through civic involvement and community service, including active participation in the Texas Cavaliers and other local philanthropic organizations. He values family, mentorship, and the power of using the law to make a positive impact.

TRUSTED GUIDANCE. TIME-TESTED RESULTS.

Fred Casillas has always believed in doing what’s right—and doing it well. As Of Counsel to Christian & Nisbet, his experience and steady hand continue to benefit the firm’s clients and their outcomes.

Reach out to Christian & Nisbet to learn how we can help.