Not every family law case should go to trial—but every case should be handled with strength, strategy, and control. At the Law Office of Bryan Fagan, founded by Houston family law attorney Bryan Fagan, Diana Weitzel helps clients resolve complex divorce and custody matters through strategic negotiation, mediation, and when necessary, strong litigation. With more than a decade of experience practicing family law in Texas, she brings both depth and perspective to every case.

When your case is likely to be decided in a courtroom, experience is critical. At the Law Office of Bryan Fagan, founded by Houston family law attorney Bryan Fagan, Melvin Thathiah represents clients in Dallas and across North Texas in contested divorce, custody, and litigation-driven family law matters. With more than 20 years of litigation experience, including hundreds of bench trials and over 50 jury trials, he provides clients with trial-ready representation and strategic courtroom advocacy. Melvin previously served as a Visiting Judge in Collin County, presiding over civil and criminal matters.

John R. Vermillion works as an estate planning and probate attorney and is licensed to practice in Texas, Louisiana, Oklahoma, and Tennessee. A native Texan, he graduated from Texas Christian University in 1974 receiving a Bachelor of Arts Degree in Political Science. In 1977, he received his Juris Doctor degree from the Louisiana State University Law School. Upon graduation from law school, Mr. Vermillion worked extensively as a corporate attorney in the fields of oil and gas exploration and production, real estate development, finance and estate planning. He served for many years as corporate counsel and Vice President of a private independent oil and gas company. Mr. Vermillion is a member of the State Bar of Texas, the Dallas Bar Association, the Louisiana State Bar Association, the Oklahoma Bar Association, and the Tennessee Bar Association. He is a member of the National Academy of Elder Law Attorneys.

I am a native of Chicago, Illinois, and received Bachelor of Arts degrees in political science and speech communication from the University of Illinois in Champaign-Urbana, Illinois, spending one semester studying abroad in London and traveling all over Europe. Following that, I earned my Juris Doctorate from DePaul University in Chicago, Illinois. I moved to New Jersey following graduation from law school and was licensed by the Supreme Court of New Jersey in 1994 and the Supreme Court of New York in 1995. Moving back to Chicago, I was then licensed by the Supreme Court of Illinois in 1995, and after moving to Texas, I was licensed by the Supreme Court of Texas in 2016. I have also been admitted to practice in the United States Court of Appeals, Seventh Circuit, when I was appointed by the U.S. Court of Appeals as attorney to an inmate in his criminal appeal. I have also practiced in various state and federal courts around the country. During my practice, I have practiced in the areas of family law, corporate and securities litigation, mediation and arbitration, as well as product liability mass litigation, probate, and civil litigation. I am also a certified family law mediator. My primary focus now is on all aspects of family law including divorce, child custody, child support, visitation, and spousal support. Starting in Chicago and then New Jersey, I was blessed with three amazing children. After we moved to Texas, I was divorced from their father, took in two more children, and decided I could best help people by combining my life experiences with my abilities as a lawyer. The practice of family law involves intense emotions in the clients. As an experienced litigator and from my life experiences, I am able to empathize with and fervently advocate on behalf of my clients while offering creative solutions and ideas to help clients adjust to their new “normal”.

For over a decade he has shown an unwavering commitment to clients who were seriously injured by major accidents and industrial catastrophes. During that time he has earned the reputation as one of America’s most aggressive Dallas personal injury lawyers by achieving noteworthy recoveries from judges and juries, as well as substantial settlements prior to trial, the majority of which contained negotiated confidentiality agreements at the request of the defense. When asked about these cases, Mr. Herbert has said that each case not only justified the recovery level, but that no one would trade places with any one of these victims in return for any amount of money, once they know the facts and severity of the injuries and tragedy involved. According to Mr. Herbert, “there can be no substitute for passion, preparation and persistence in the practice of law”. He is known not only for this tenacious preparation, but also for his imagination in the courtroom. He is passionate and persistent in seeking to obtain the maximum case value for each individual client at trial or through settlement, while reducing the stress of litigation on his clients. Born and raised in Dallas, Texas, Mr. Herbert enlisted in the United States Marine Corps after high school and later received an Honorable Discharge. After the Marines, he obtained a Bachelor of Science in Criminal Justice from Texas A&M University, then a Juris Doctorate from the University of Oklahoma College of Law. There he graduated in the top of his class and became an eternal Sooners Football fan. Aaron has worked as a zealous advocate for injured clients at several boutique personal injury litigation firms where he amassed numerous jury verdicts. After spending a year as the top earning litigation attorney at a firm that frequently tops verdict search as one with the highest number of trial wins in Texas, Aaron accepted a position as a the managing pre-litigation attorney at another Dallas personal injury firm. Over the next seven years he transitioned to the managing litigation attorney, and that firm grew to one of the largest personal injury firms in Dallas. In 2010 he formed the Law Firm of Aaron A. Herbert, to get back to a focus on developing each individual case and maximizing case value for each client. Mr. Herbert practices law with the belief that a well taken care of, highly engaged and motivated team of employees working in a cooperative team environment will result in superior representation and great results for clients in Dallas. As a certified personal injury attorney, he believes in always setting a goal of achieving the best possible results for each and every client.

Guy Holman is a bankruptcy attorney in the Dallas-Fort Worth Metroplex, where he advocates primarily for small businesses and consumers needing to reorganize or discharge debt pursuant to the U.S. bankruptcy code. Mr. Holman graduated cum Laude from the Thurgood Marshall School of Law at Texas Southern University in 2017. While attending law school, Holman clerked for the Honorable Judge Kenneth M. Hoyt, U.S. District Court, Southern District of Texas. Also, while in law school, Holman clerked for the Honorable Judge Jeff Bohm, U.S. Bankruptcy Court, Southern District of Texas, and interned in the Property Preservation Clinic of the Earl Carl Institute for Legal & Social Policy, Inc. Additionally, Holman was awarded the Spouses of Houston Barristers Scholarship and was admitted to the American Inn of Court. Prior to becoming an attorney, Mr. Holman had a diversified business background. He began his career as a banker with BMO/Harris Bank, serving as a financial analyst and would later join Citibank as an investment consultant. Holman would go on to co-found several partnerships engaged in commercial real estate finance, acquisition, rehabilitation, and insurance brokerage. Holman is also a former brick mason and member of the International Union of Bricklayers & Allied Craftsmen. Holman is a native of Chicago and a graduate of the University of Illinois at Urbana-Champaign where he obtained a B.A. in LAS/Finance. While in college, Holman studied abroad in Costa Rica, where he studied Spanish and “mastered” in salsa dancing.

Compassion, concern, and competence are the stellar qualities people discover as they work with Dallas, TX, Attorney Michael Presti. During his many years of law practice, Michael Presti has helped resolve a wide variety of immigration cases in favor of his clients. In addition to Immigration Law, Michael has extensive experience helping clients with their Personal Injury and Criminal Law cases. He is a firm believer in making sure even the smallest details of any case are done correctly and in a timely manner, to satisfy requirements perfectly, the first time. Attorney Michael Presti is committed to providing people with honest legal services and strong advocacy for their rights. He has worked with clients from around the world who want to win immigration cases against the government, obtain green cards and visas and gain citizenship. For other clients, Michael has been a driving force for upholding client rights in personal injury and criminal law cases. He has an excellent background in law and extensive experience with negotiation and presenting winning cases in the courtroom.

As the founding member of The Hartley Law Firm, Austin has represented countless victims of negligence. He devotes virtually 100% of his practice to seeking justice for people who have been wronged by another. Austin has an established tack record of obtaining maximum value on his client’s cases whether through settlement or trial–no matter what it takes. A forever champion of the underdog, he prioritizes the needs of the client above all else. His objective in every case is to establish a lasting relationship built on trust and good guidance. The foundational principle of his law firm is to create a boutique law firm client experience that obtains big law firm results.

Greg spent 20 years in the military, both Army and Air Force, and retired as a captain in the reserves in 1999. He also served as a police officer in Texas for over 20 years, and holds a master peace officer certification. Greg, as a police officer, was a Standardized Field Sobriety Test (SFST) Instructor, an Intoxilizer Operator, and a police academy instructor. He has an Associate's degree (in Liberal Arts) and a Bachelor's degree (in Political Science), the later earned while he was on active duty in the Air Force. After his law enforcement career was over, he attended Texas A&M Law School in Fort Worth and graduated in 2014. Greg has written for Fault Lines, an ABA Top 100 Legal Blawg, and occasionally contributes as a guest columnist to Simple Justice, an ABA Hall of Fame Legal Blawg. Greg clerked for Criminal District Judge Mollee Westfall.