Annette Diaz Franz
Office Manager/Client Liaison
Annette Diaz Franz is a distinguished operations manager and client liaison at Franz Law Group, bringing over three decades of experience in managing law firm practices. Born in Edinburg, Texas, Annette holds a Bachelor’s Degree in Communication Disorders from the University of Texas - Pan American, obtained in 1994.
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Annette’s exceptional skills in communication and relationship-building are evident through her extensive involvement in community service and leadership roles. She is a graduate of both Leadership Hidalgo and Leadership Rio Grande Valley, programs that have honed her leadership capabilities and community engagement. Her commitment to service is further demonstrated by her roles as a board member and officer for numerous area nonprofits, including the Capable Kids Foundation, Rio Grande Valley Literacy Center, and Zonta International, among others. These positions have allowed her to advocate for equality, education, and the end of gender-based violence, showcasing her dedication to impactful causes.
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In 2017, Annette was elected to the McAllen Chamber of Commerce Board of Directors, where she served as Chairperson from 2021 to 2022, further solidifying her leadership credentials. Her humanitarian efforts have been recognized with a Humanitarian Award from the Rio Grande Valley Hispanic Chamber of Commerce, highlighting her commitment to serving those in need.
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Annette’s global perspective is enriched by her participation in mission ministries across the Rio Grande Valley, Mexico, Kenya, and Colombia, through her church and as a team member of Healing International Medical Missions (H.I.M.M.). She also initiated the Mochila Ministry, marketing and selling handwoven bags by the Wayuu tribe in Colombia, with proceeds benefiting the community’s living conditions and educational opportunities.
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Annette Diaz Franz’s dedication to fostering strong client relationships and her unwavering commitment to community service make her an invaluable asset to our firm and the clients we serve.


Roy Mathew Quintanilla
Legal Assistant/Law Student
Roy Mathew Quintanilla is a dedicated and accomplished legal assistant at the Law Offices of John David Franz, where he has been an integral part of the team for over six years. His journey from an office staff member to a full-fledged legal assistant and file manager is a testament to his intellect, character, and unwavering commitment to excellence.
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A native of McAllen, Roy's role at the firm involves a wide array of responsibilities that highlight his versatility and expertise. Roy's proficiency extends to creating and organizing trial exhibits and compelling demonstrative exhibits for use at hearings, mediations and which are often transformed into trial exhibits.
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A self-motivated individual, Roy consistently demonstrates initiative and a strong work ethic. He has actively participated in several jury trials, managing the audio and visual presentation of trial exhibits for juries in Hidalgo County.
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Roy is currently studying law at Texas Southern University’s School of Law and continues to help case management at Franz Law Group.
Nahum Rivera
Research and Demonstrative Exhibit Creator
Nahum is an experienced videographer and content creator who assists with recording sworn testimony, creation of demonstrative exhibits for use in Court and social media research.




