Wyon was born and raised in Milwaukee, Wisconsin. Upon graduating from Law School he accepted a commission in the United States Army Reserve, serving as a member of the Judge Advocate General Corp. Wyon worked with the Internal Revenue Service for 10 years as an Estate and Gift Tax Attorney, Classifier, District Conferee, Reviewer and Assistant Officer Manager for the Milwaukee Estate and Gift Tax Group. He joined Remley & Sensenbrenner in 1982 and became a shareholder in 1986. Wyon is licensed to practice law in both Wisconsin and Florida and is a licensed Real Estate Broker in Wisconsin. Wyon and his wife, Mary Jo, reside in Neenah and have 3 adult children.