Donna is actively involved in the Collier County legal community, as member of Board of Directors for the Collier County Bar Association, past Chair of the Board for the Trial Law Section of the CCBA, past Leader of the Law for the CCWBA, member of the Board of Directors for the local Chapter of Inns of Court, and Chair of its Mentorship Program, and past Vice Chair for the 20th Circuit Grievance Committee for The Florida Bar

Donna Marshall founded Marshall Law Office, a marital and family law firm, in Massachusetts 30 years ago. Donna is Board Certified in marital and family law, licensed to practice law in Massachusetts and Florida, and licensed as a Florida certified family law mediator. Donna is an examiner for the National Board of Trial Advocacy in Family Law, was certified by and a trial instructor for the Mass. Children and Family Law Program, and was appointed custody investigator, guardian ad litem and attorney ad litem for minor children.