Attorney Gregory S. Mager has been granted Fellowship in the American Academy of Matrimonial Lawyers. He is recognized by judges and attorneys as a preeminent family law attorney with a high level of knowledge, skill, professionalism, and integrity, as well as having substantial experience and ability to handle all facets of complex family law matters. These areas include divorce, annulment, prenuptial and postnuptial agreements, marital settlement agreements, child custody and visitation, business valuations, property valuations and division, alimony, child support and other family law issues. To be represented by a Fellow of the American Academy of Matrimonial Lawyers is to be represented by a leading practitioner in the field of family law.
Attorney Mager is a shareholder with the law firm of O’Neil Cannon He graduated from Marquette University with an undergraduate degree in political science and philosophy, and has a graduate degree in political science. He received his Juris Doctor degree from Marquette University Law School.
In April 2024, the Department of Labor announced a final rule, entitled Defining and Delimiting the…
The recent Tax Court case Estate of Anne Milner Fields v. Commissioner underscores the risks…
The recent election of Donald Trump as president signals potential changes to the U.S. tax…
Each year, Super Lawyers surveys the State of Wisconsin’s 15,000 attorneys and judges, seeking the State’s top…
O’Neil Cannon has been recognized regionally in the 2025 edition of Best Law Firms®, ranked…
Construction lien waivers are an indispensable part of the traditional construction payment process, allowing parties…