“Our purpose is to successfully guide people through the
toughest times of their lives.”
Heather Tessmer
- Loyal
- Compassionate
- Driven to Succeed
- Do the Right Thing
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!


Leadership Team

Elaine Simons, CP
Firm Director, Senior Certified Paralegal

Katherine Flores
Director of Legal Services, Managing Attorney

Jacqueline Cisneros
Director of Finance

Mariana Trevino
Managing Attorney
Attorneys

Megan Gherle
Senior Associate Attorney

Jacqueline Queen
Associate Attorney
Law Clerks

Ashtyn Stevens
Law Clerk
Paralegals

Jayda Lowe
Senior Paralegal

Clarissa Gracia
Paralegal

John Carrera
Paralegal

Jose Castenda
Paralegal
Support Staff

Eve Watts
Receptionist

Serafina Favaro
Billing Specialist

Mariah Musquiz
Intake Specialist

Judith Clark
Administrative Assistant