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Tiffany Guerra

  • Associate Attorney, 2017


Practice Areas

  • Estate Planning
  • Probate
  • Guardianship
  • Trust Administration


Tiffany Guerra is an associate attorney with Seiler Mitby. She has been practicing with the firm since 2017, handling matters including estate planning, probate, guardianship, and trust administration.

Tiffany works closely with administrators, executors, guardians, and trustees, providing them with the advice and direction needed to carry out their roles. In addition, Tiffany represents clients in contested probate and guardianship matters-including the prosecution and defense of fiduciary claims. She is devoted to helping individuals suffering from physical and mental limitations so that they are protected physically, financially and emotionally. Tiffany is committed to ensuring that valid estate plans are upheld.

For example, Tiffany has helped Seiler Mitby clients achieve the following results:

  • Tiffany won summary judgment on breach of fiduciary duty against an estate administrator who mismanaged hundreds of thousands of dollars in estate funds.
  • Tiffany won summary judgment on breach of fiduciary duty, money had and received, and fraud by nondisclosure claims against an executor who conveyed a piece of real property without full authority.
  • Tiffany won summary judgment dismissing a surviving spouse's will contest in favor of a client who was the biological son the the decedent.
  • Tiffany won a complex motion resulting in the removal of co-executors who mismanaged hundreds of thousands of dollars in estate funds in favor of her clients who were the beneficiaries of the estate.
  • Tiffany won a motion to void the actions of a guardian who made numerous harmful transactions without authority.

Tiffany graduated from The University of Texas at San Antonio with a Bachelor of Business Administration with Business and General Honors, cum laude, in 2014, and earned her law degree from South Texas College of Law Houston, graduating in the top ten percent of her class, with honors, in 2017. During law school, Tiffany was awarded the Dean's Merit Scholarship and CALI Excellence for the Future Awards (highest grade in her class) in Payment Systems.

Tiffany is a member of the Houston Bar Association (Probate, Trust and Estates Section), Montgomery County Bar Association, and The State Bar of Texas (Real Estate, Probate and Trust Law Section). She also serves as the Co-Vice President of Community Affairs for The Woodlands Bar Association; the position includes organizing and participating in pro bono projects.


  • South Texas College of Law Houston, Houston, Texas
    • J.D. - 2017

Bar Admissions

  • Texas


  • Super Lawyers Rising Star, Texas