Our Firm
Founded in 2023
Gfeller Joyner Edwards, Attorneys was founded in 2023 by M. Mavrik Gfeller and Shelly C. Joyner. Mavrik and Shelly met when they were students at UNT Dallas College of Law. After decades of service to the Castro County area, attorney Jack Edwards retired from his law firm as well as Castro County Abstract & Title Company. Mavrik and Shelly are honored to be able to carry on his work of providing superior legal services to our communities in Dimmitt, Texas and
Hot Springs Village, Arkansas.



Meet the Team
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Managing Partner
M. Mavrik Gfeller
Attorney M. Mavrik Gfeller is a Dimmitt native and is thankful for the opportunity to live in Dimmitt again and serve the community as a rural attorney.
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After graduating from Dimmitt High School in 2015, Mavrik attended Texas A&M University in College Station, Texas. While at A&M, Mavrik earned a bachelor's degree in Political Science and Spanish. He was also an active participant in agricultural advocacy organizations on campus. This ultimately lead him to pursue a law degree, and later, a career in agricultural law. After graduation from Texas A&M in 2018, Mavrik attended the University of North Texas at Dallas College of Law. While studying, Mavrik was a member of the UNTDCOL Board of Advocates, Phi Delta Phi Honor Society, and the American Constitution Society. Mavrik’s legal education in downtown Dallas exposed him to a wide variety of practice areas, including federal and state litigation, criminal justice, and immigration law.
While thankful for the experience in Dallas, Mavrik knew that his training would be best used at home in Dimmitt. Upon graduation from law school and earning admission to the Texas Bar in 2021, Mavrik returned to Dimmitt and served his community as an assistant County Attorney under elected County Attorney, Shalyn Hamlin. Following his time with the county, Mavrik worked as the Director of Compliance for Ranchers Direct Holdings, LLC—a beef packing plant currently under development in Dimmitt.
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In addition to his duties as an attorney, Mavrik also shares his family’s passion for community restoration and improvement. This led him to purchase the former Olde Hotel on the Dimmitt Square in 2022. Since that time, he has worked to renovate the near-hundered-year-old building to provide short and long term lodging for Dimmitt guests and residents.
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Mavrik’s primary practice focuses are real estate, corporate law, agricultural matters, and compliance. As a Spanish-speaking attorney, Mavrik hopes to provide legal services to all members of the Castro County community. In addition to his current practice, Mavrik intends begin offering immigration, family, and guardianship services over the next year.
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“I am proud to be home and to serve the community that raised me. This is a fantastic place made up of even better people, and I am honored to be able to offer legal services in Dimmitt.”

Managing Partner
Shelly C. Joyner
Shelly C. Joyner earned her bachelor’s degree in general studies from Dowling College. She earned her juris doctorate from UNT Dallas College of Law where she was active in advocacy activities, student government, and other student organizations. She was the school's representative to the American Bar Association.
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Originally from Memphis, Tennessee, Shelly is a “second career” lawyer after 17 years at an air freight shipping company in various positions including as a load master and Account Operations Manager. She chose to go to law school after she found herself studying law for fun as a way to unwind after a tough night on the tarmac.
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After graduation, she worked for a boutique estate planning law firm where she’d worked as a clerk during law school. There, she was able to use her contingency planning background to create custom estate plans and business formation strategies for clients. She practiced primarily in the Dallas, Tarrant, Collin, and Denton County statutory probate courts, but handled cases in counties all over Texas.
She has significant experience in teaching multiple aspects of the law for the general public and to students. She had a regular lecture series on Constitutional Law at a retirement community in the DFW area. She greatly enjoys judging and coaching students in their legal advocacy studies. She has handled multiple civil law cases including fraud, defamation, quiet title, and landlord tenant actions.
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Shelly is a Rotarian as well as a proud and active member of Attorneys Serving the Community. She is the recipient of the 2021 Texas Bar College Steven Condos Award for Outstanding New Member to the College. She is a member of the Pro Bono College of the State Bar of Texas, UNT Alumni Association, and is a board member of Denton City Contemporary Ballet.
Her primary residence is now in Hot Springs Village, Arkansas near her family, but has a secondary home in Dimmitt.
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“I am immensely grateful to both the Hot Springs Village and Dimmitt communities for being so incredibly gracious and welcoming to me over the past few months. I’m honored to be allowed to earn their trust and help them protect their legacy with proactive legal planning.”
The secret of change is to focus all of your energy, not on fighting the old, but on building the new. - Socrates
