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Ronald J Isriel

Katherine Montaner-Simpson

Katherine Montaner- Simpson is a partner at Isriel, Ponzoli & Simpson, P.A. She focuses her practice on commercial and civil litigation including, construction, real estate litigation and premise liability, as well as business, transactional and corporate law. Katherine has handled construction cases in Florida as well as Washington, D.C. She also has extensive experience in the areas of automobile negligence, personal injury, family law and criminal law.

Prior to joining Isriel, Ponzoli & Simpson, P.A. Katherine was an assistant Public Defender of the 11th Judicial Circuit where she acquired extensive litigation experience.

Katherine graduated from the Florida International University and obtained her law degree from Nova Southeastern University, Shepard Broad Law Center. Katherine is active in the community. She is a member of the Guardian Ad Litem Foundation and spends countless pro bono hours assisting those in need.

Katherine lives with her husband and three children in Miami, FL. She enjoys spending time with her family and traveling.

Key Practice Areas

  • Civil & Commercial Litigation
  • Premises liability
  • Negligent security
  • Construction litigation
  • Real Estate litigation and transactions
  • Corporate law
  • Civil rights
  • Insurance coverage
  • Subrogation
  • ADA and fair housing claims
  • Automobile Negligence
  • Personal Injury
  • Legal and Medical Malpractice
  • Family
  • Criminal



  • Florida Bar 2000
  • Florida Bar 2000
  • Guardian Ad Litem Foundation
  • Cuban American Bar Association
  • Florida Association for Woman Lawyers
  • Miami-Dade County Bar Association
  • Coral Gables Bar Association



  • JD, Nova Southeastern University
  • BA, Political Science, Florida International University