About Daniel P.
There is a directness to Daniel P. Sullivan’s professional path. He trained as an economist before turning to law, a background that informs how he assesses cases and weighs outcomes. He earned a B.A. in Economics from the University of Dallas and later graduated from SMU Dedman School of Law with a J.D.
Sullivan built his practice in Texas. Over the years he has taken roles that put him inside trial courts and bar organizations. He is a member of the State Bar of Texas and its Litigation Section. He also holds membership in the American Bar Association and the Texas Trial Lawyers Association. Those affiliations reflect a practice centered on contested matters and courtroom advocacy.
Within the local legal community, Sullivan has been active in both professional and mentoring circles. He has served as a barrister in the Eldon B. Mahon Inn of Court, a group that emphasizes trial skills and ethics. He also took on a leadership post with the Tarrant County Bar Association, serving as chairman of the TCBA Court Staff Appreciation Committee from 2012 to 2013. Those roles connected him with judges, clerks and fellow trial lawyers in Tarrant County and beyond.
His work has been grouped under the banner of Bailey & Galyen Lawyers at Law. That firm affiliation appears consistently in his office listings and anchors his current practice. Within the firm, he operates as part of a team that handles litigation across Texas courts. Colleagues note he brings methodical preparation and a measured courtroom style to hearings and trials.
Clients and other lawyers describe Sullivan’s approach as practical. He assesses the legal and economic aspects of a case, then outlines options for resolution or trial. He prepares for trial when necessary, but he also evaluates settlement avenues that reflect his economic training. This combination of legal training and analytical grounding shapes how he presents evidence and frames arguments.
He remains active in professional groups that support trial lawyers and litigation practice, maintaining membership in state and national bar organizations. As of 2026 he continues to practice in Texas at Bailey & Galyen Lawyers at Law, focusing his work on civil litigation and trial practice.
