Jeff Diamant is considered one of the best trial lawyers in the State of Texas. As a leading divorce lawyer, the firm has handled millions of dollars of divorces for both women and men and high conflict custody matters focusing on cases of false allegations of parental alienation, coercive control and post-separation abuse.

The Honorable Roy Moore has over 30 years of family law experience including 12 years as a presiding family court judge. He has handled numerous matters for both husbands and wives alike as well as frequently serves as a mediator and arbitrator in complex family disputes.

Kelsey Galbraith has extensive training in investigative journalism as well as forensic fraud examination. She has been trained personally by the lawyers at Diamant Moore PC and has handled numerous family law and civil cases in both an assisting and first chair role.

High Conflict Divorce Consultant - Angel Butler Diamant is certified as a High Conflict Divorce Consultant in all 50 states. She has handled over 100 clients and has extensive training, knowledge and experience in false claims of parental alienation, coercive control, post separation abuse and a critical member of the team.

After graduating Cum Laude from James Madison University with a Bachelor of Arts in International Affairs in 2022, Ms. Guefen attended South Texas College of Law Houston, graduating in May of 2025. During law school, she served as a Judicial Law Clerk for The Honorable Sonya L. Heath in the 310th Family District Court of Harris County, as well as The Honorable Mike Engelhart in the 151st Civil District Court of Harris County. Ms. Guefen also spent a summer clerking at another prominent family law firm, primarily focusing on divorce and custody litigation before permanently joining Diamant Moore, P.C.

Dissatisfied with the family court system, in 2018 she took part in forming an advocacy movement making post-separation resources and guidance to protective parents more accessible, educating professionals, and advocating for policy change. Alyssa is experienced and educated in child abuse, domestic violence, high conflict divorce and coercive control within the family dynamic and court system.

Luke knows the court system personally, having endured his own high-conflict divorce several years ago. He experienced first-hand many of the same challenges that such clients of Diamant Moore face. As such, he has deep empathy for all those going through what is often one of the hardest periods of life, which he brings to his work at Diamant Moore for every client, no matter the issue.