About Tessmer Law Firm

You are more than just a number. Your case is more than just a job. We value every individual that crosses our path, and we aim to provide the best outcome for every case. Tessmer Law Firm, PLLC is owned and operated by Heather Clement Tessmer, attorney at law. She has over 20 years of experience practicing law. Heather graduated from St. Mary’s University Law School and began her career as an attorney in 1999. In 2001, she relocated with her family to San Angelo, Texas, where she opened her own office. In 2005, Heather moved back to the San Antonio area, opening her first office in Fair Oaks Ranch, Texas. Since 2005, Tessmer Law Firm has continuously grown and is now headquartered at the Northwest Center building in San Antonio, Texas.

Heather wanted to create a law firm that made every client feel like family. She has put an end to the stereotypical view of a lawyer and law firm. By adopting an inclusive, diverse, female-led, compassionate, and strong environment, Heather changed the lives of her employees, peers, and clients. Known for her edgy “Ever Argue With A Woman?” ad campaign, Heather offers legal services statewide and is board certified in Family Law. Tessmer Law Firm, PLLC will be your forever firm, assisting you through all facets of family law, estate planning, personal injury, and so much more! Contact us to learn about our services and how we can help you with your situation.

About Tessmer Law Firm - Heather Tessmer

Our Attorneys

About Tessmer Law Firm - Katherine Flores

Katherine Flores

Director of Legal Services
Managing Attorney

Texas Law License, Number 24113660

Doctor of Jurisprudence

St. Mary University, School of Law- San Antonio, Texas

Bachelor of Arts in Criminal Justice

St. Mary University, School of Law- San Antonio, Texas

Awards

  • Best San Antonio Lawyers, August 2020
  • Outstanding Women in Law, April 2021
  • Best San Antonio Lawyers, July 2021
  • Rising Star Lawyers. January 2022
  • Outstanding Women in Law, April 2022
  • Best San Antonio Lawyers, July 2022
  • Outstanding Women in Law, April 2023
  • Best San Antonio Lawyers, July 2023
  • Top Family Lawyers, April 2024
  • Top Attorneys, April 2024
  • Best SA Lawyers, June 2024
  • Top Attorneys, October 2024
  • Top Attorneys, January 2025
  • Top SA Family Lawyers- June 2025

Mariana Trevino

Managing Attorney

Texas Law License, Number 24121064

St. Mary’s University School of Law, San Antonio, Texas

Doctor of Jurisprudence

Texas A&M University-Corpus Christi, Corpus Christi, Texas

Bachelor of Science in Criminal Justice

About Tessmer Law Firm - Megan Gherle

Megan Gherle

Senior Associate Attorney

Texas Law License, Number 24116423

St. Mary’s University School of Law, San Antonio, Texas

Doctor of Jurisprudence

University of Texas at San Antonio, San Antonio, Texas

Bachelor of Arts

About Tessmer Law Firm - Jacqueline Queen

Jacqueline Queen

Associate Attorney

Texas Law License, Number 24115083

St. Mary’s University School of Law, San Antonio, Texas Juris Doctorate

Texas Tech University, Lubbock, Texas Master of Science

University of the Incarnate Word, San Antonio, Texas Bachelor of Arts

Meriam Elawad

Associate Attorney

Texas Law License, Number 24147657

Vermont Law School, South Royalton, VT- Doctor of Jurisprudence

St. Edward’s University, Austin, TX -B.S., Environmental Science & Policy B.A, Political Science

Our Paralegals

Jayda Lowe

Senior Paralegal

Clarissa Gracia

Paralegal

Our Supporting Staff

Eve Watts

Receptionist

Later is TOo Late.

Request your consultation today.