Elena Villaseñor Sullivan
Top rated Business & Corporate attorney in San Antonio, Texas
Endereza Law, PLLC
Practice areas: Business & Corporate, Closely Held Business, Franchise & Dealership; view more
Licensed in Texas since: 2004
Education: University of Southern California Gould School of Law
Selected to Rising Stars: 2010 - 2017 Call today:
210-985-0324
Endereza Law, PLLC
300 E Sonterra BlvdSuite 1240A
San Antonio, TX 78258 Visit website
Elena Villaseñor Sullivan, the guiding force behind Endereza Law in San Antonio, Texas, is a dynamic franchise and business lawyer committed to empowering enterprises with insightful and practical legal guidance. She crafts bespoke legal solutions across a spectrum of fields, including franchise law, business law, employment law, regulatory compliance, business litigation and fractional general counsel services.
Ms. Sullivan skillfully steers clients through the complexities of franchise disclosure documents, franchise agreements and dispute resolution, fostering an environment where franchises can flourish collaboratively. Her comprehensive support extends to business formation, corporate governance, contract negotiation and workforce management.
With a rich tapestry of over two decades in the legal realm, Ms. Sullivan blends a holistic business perspective with inventive problem-solving. Her career journey has included leading the legal department as general counsel for a burgeoning massage firm and steering a spa franchise system with over 110 locations across the U.S. and Canada. She also navigated the regulatory landscape as an executive in the Compliance Department of an American financial services firm, overseeing a team of nearly 30 professionals.
In the early days of her career, Ms. Sullivan excelled as a commercial trial attorney, taking the lead in cases valued at $150 million and partnering at one of Texas’ largest law firms. Her professional accolades include an “Excellent” rating on Avvo, recognition as Outstanding Women in the Law by Scene in SA and a Marquis Who’s Who honoree. Her dedication to simplifying intricate legal matters and delivering strategic, business-centric solutions has established her as a dependable ally for businesses and franchises.
Engaged in the legal community, Ms. Sullivan is actively involved with the MetroSA Chamber of Commerce, the Greater San Antonio Chamber of Commerce, the American Bar Association, the San Antonio Bar Association and the State Bar of Texas. Her leadership extends to her role as a director of Texas CASA, and as a former director and current steering committee member of the Bexar County Women's Bar Foundation LEAD Academy.
A proud alumna of Boston College, where she received a Bachelor of Arts in 2000, Ms. Sullivan achieved her Juris Doctor from the University of Southern California Gould School of Law in 2004 and earned her Texas license the same year.
Practice areas
Business/Corporate, Closely Held Business, Franchise/Dealership, Health CareFocus areas
Business Formation and Planning, Business Organizations, Contracts, Limited Liability Companies, Partnership, Sub-chapter S Corporations
- 40% Business/Corporate
- 20% Closely Held Business
- 20% Franchise/Dealership
- 20% Health Care
First Admitted: 2004, Texas
Professional Webpage: https://enderezalaw.com/attorney/
Bar / Professional Activity
- Texas State Bar, 2004
- Bexar County Women’s Bar Association, Member
- San Antonio Bar Association, Member
- Texas Bar Association, Member
- American Bar Association, Member
- United States District Court for the Western Districts of Texas
- United States District Court for the Eastern Districts of Texas
- United States District Court for the Northern Districts of Texas
- United States District Court for the Southern Districts of Texas, 2005
Special Licenses / Certifications
- Certified Compliance and Ethics Professional (CCEP), Society of Corporate Compliance and Ethics, 2019
- Certified SAFe Agilist, 2018
Pro bono / Community Service
- Board of Directors and Secretary, Texas CASA, Inc, 2026
- San Antonio Bar Association, Board of Directors, 2026
- San Antonio Bar Association, Board of Directors, 2025
- Board of Directors, Texas CASA, Inc., 2024
- Board of Directors, Texas CASA, Inc., 2023
- Advisory Board Member, Bexar County Women's Bar Foundation, LEAD Academy, 2024
- Director, Bexar County Women's Bar Foundation, LEAD Academy, 2021
- Director, Bexar County Women's Bar Foundation, LEAD Academy, 2020
- Committee Member, Bexar County Women's Bar Foundation, LEAD Academy, 2019
Educational Background
- Boston College, Chestnut Hill, Massachusetts, B.A., International Studies, 2000
- University of Southern California, School of Law
Scholarly Lectures / Writings
- Texas Bar Association, Texas Minority Counsel Program panelist on "Owning Your Career Path., Panelist, Own Your Career Path, State Bar of Texas, Texas Minority Counsel Program, 2023
- Panelist, State Bar of Texas, 2023 Texas Minority Counsel Program, “Own Your Career Path.”
- Panelist, State Bar of Texas, 2022 Annual Meeting, “Role of Companies in Shaping Diversity, Equity, and Inclusion at Law Firms.”
- Panelist, State Bar of Texas, 2018 Texas Minority Counsel Program, “Moving In-house.”
- Chair and Emcee, Bexar County Women’s Bar Foundation, 2017 and 2018 Empowered Women’s Leader Luncheon.
- Moderator, 2018 UT Corporate Counsel Institute, “Designing and Building a Diverse Legal Team Inside and Out.”
- Panelist speaking on diversity, equity, and inclusion in law firms at the State Bar of Texas Annual Meeting., Panelist, Role of Companies in Shaping Diversity, Equity, and Inclusion in Law Firms, State Bar of Texas Annual Meeting, 2022
Honors
- “Excellent” rating on Avvo
- Texas Spotlight Recognition - Franchising, Chambers & Partners, 2025
- Member of Litigation Department of the Year, Texas Lawyer, 2013
- ATHENA Organizational Leadership Award, North San Antonio Chamber of Commerce, 2014
- Texas Super Lawyers Rising Star, Thomson Reuters, Texas Monthly, 2010-2017
- Best S.A. Lawyers, Scene in S.A., 2013-2016, 2018, 2021, 2022
- Outstanding Women in the Law, Scene in S.A., 2024
These comments were made by fellow attorneys during the annual nomination process.
“Elena is an outstanding attorney and deserves this recognition.”
Office location for Elena Villaseñor Sullivan
300 E Sonterra Blvd
Suite 1240A
San Antonio, TX 78258
Phone: 210-985-0324
Selections
- Rising Stars: 2010 - 2017
