John D. Mayne is a native of Sioux City. He is a graduate of Harvard College (1970) and the Drake University Law School, with honors, (1976). He served three years as an officer in the U.S. Navy, including one tour aboard a destroyer in the Vietnam theater. He has been in private practice in Sioux City since 1976, practicing primarily in civil litigation. He has tried dozens of cases to juries in state and federal court throughout Northwest Iowa. His experience includes litigation of many types and representing either plaintiffs or defendants whether in personal injury, commercial, products liability, construction, professional malpractice (attorney, physician, engineer, real estate broker, insurance broker, accountant, title abstractor), aircraft crash, and securities fraud. He is also experienced in probating decedents' estates and handling real estate title and litigation issues. John has been recognized by his peers with the AV®-Preeminent rating, the highest level of professional excellence, for his professional skills and integrity.