Danielle Reagan was born and raised in Fort Worth, Texas. She earned her undergraduate degree from the University of Texas at Austin, where she was named to the Dean's List in recognition of her academic achievement, and went on to earn her law degree from Texas A&M University School of Law. While in law school, she was elected to serve on the board of directors of the Student Bar Association from 2012 to 2015.

Danielle was licensed to practice law in Texas in May 2016 and has dedicated her entire career to family law. She has tried hundreds of family law cases, with experience spanning complex divorces, custody disputes, adoptions, premarital agreements, termination of parental rights, protective orders, and more.

She is an active member of the Tarrant County and Parker County Bar Associations, as well as the Tarrant County Family Law Bar Association. Danielle has served on several committees for the Tarrant County Bar Association and co-chaired its Bench Bar Conference in 2021. She was also elected by her peers to serve on the board of directors of the Tarrant County Family Law Bar Association.

In recognition of her work, Danielle has been named a Top Attorney in Family Law by Fort Worth Magazine every year from 2018 to 2025.