Thomas Grennan

Thomas Grennan is a litigation lawyer at Gross Welch Marks Clare, PC, LLO, who handles civil, personal injury, insurance, business, fire and explosion, and professional liability matters. He has tried hundreds of lawsuits and disputes through mediation. His work involves detailed factual review, legal analysis, case strategy, negotiation, and courtroom advocacy. He represents clients in complex disputes that require substantial trial preparation and experience with contested legal and factual issues.

Thomas earned his J.D. from Creighton University School of Law. He received his B.A. from Creighton University, graduating cum laude. His education established a foundation for trial advocacy, legal research, negotiation, and litigation strategy. His academic background supports his work involving insurance claims, personal injury disputes, business conflicts, professional liability matters, and other complex civil cases.

Thomas is admitted to practice in Nebraska and Iowa. His federal admissions include the District of Nebraska, Northern and Southern Districts of Iowa, and the Eighth Circuit Court of Appeals. He has extensive experience evaluating cases, conducting trials, and resolving disputes through mediation. His practice spans matters involving personal injuries, insurance coverage, business relationships, professional liability, and losses arising from fires or explosions.

Thomas Grennan is a shareholder and a Fellow of the American College of Trial Lawyers. He has served in several leadership positions with the Omaha Bar Association. His professional memberships include the Nebraska Defense Counsel Association, Defense Research Institute, International Association of Defense Counsel, and Nebraska State Bar Association. He has remained active with Creighton University through its Law Advisory Board and alumni organizations.

Law Office Affiliations

• Shareholder, Gross Welch Marks Clare, PC, LLO
• President, President-Elect, Treasurer, Secretary, Executive Council, Omaha Bar Association (2008-2009) (2007-2008) (2005-2006) (1991-1992) (1986-1988)
• Member, Nebraska Defense Counsel Association
• Member, Defense Research Institute
• Member, International Association of Defense Counsel
• Member, Nebraska State Bar Association
• Fellow, American College of Trial Lawyers

Licensed State

• Nebraska
• Iowa

Education

• Creighton University School of Law
  Juris Doctor (JD)
• Creighton University
  Bachelor of Arts, Cum Laude

Awards & Badges