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.

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.