Gregory S. Mager

Mager Family Law, LLC
8989 N. Port Washington Road
Suite 201
Bayside, WI 53217
(414) 346-7441 telephone
(414) 346-7442 fax

Gregory assists his clients with family law matters. He is recognized by judges and peers as one of Wisconsin’s premier family law attorneys. He uses his extensive skill, training, and experience to help his clients achieve successful resolutions of their divorce, paternity, custody, placement, and support matters. Gregory is a Fellow in the American Academy of Matrimonial Lawyers and a Board Certified Family Law Trial Advocate by the National Board of Trial Advocacy. He is uniquely positioned to successfully represent clients in their family law matters, including those involving complex business, financial, and child-related issues.

Gregory Assists Clients With

DivorceCollaborative DivorceCooperative DivorcePaternityCustody and PlacementSupportPost-judgment MattersMediationAppellate MattersLGBTQ Family Law Matters

Published Appellate Decisions

Estate of Laubenheimer, 2013 WI 76, 350 Wis. 2d 182, 883 N.W.2d 735Lyman v. Lyman, 2011 WI App 24, 331 Wis. 2d 650, 795 N.W.2d 475

Board Certified Family Law Trial Advocate by the National Board of Trial Advocacy. NBTA is accredited by the American Bar Association.Selected for inclusion in The Best Lawyers in America®–Family Law, 2016–2022Fellow, American Academy of Matrimonial Lawyers (2012–).Recognized in M Magazine for Best Lawyers in America® Recognition in Family Law, 2016–2022.Selected for inclusion in Wisconsin Super Lawyers, Law & Politics and Milwaukee Magazine, 2013–2021.Martindale-Hubbell® Peer Review Rating™–AV Preeminent, reflecting an attorney who has reached the height of professional excellence and is recognized for the highest levels of skill and integrity.He has been given a rating of 10.0 (out of a possible 10.0) by Avvo, a national attorney rating service which uses a mathematical model to rate attorneys based on experience, professional achievements, industry recognition and professional conduct.Named one of “Milwaukee’s Leading Lawyers” by M Magazine in Family, 2014 issue; Divorce/Separation, 2013 issue; and in Divorce and Family, 2012. Only 2-5% of the top ranked attorneys published by Avvo for each category were recognized.Selected for inclusion in Wisconsin Super Lawyers Rising Stars, Law & Politics and Milwaukee Magazine, 2007, 2009, and 2010.American Bar Association Section of Family Law 2004-2005 Chair's Award, "For meritorious service exceeding what is expected of our leadership."
Professional Associations and Affiliations

Training Committee, Collaborative Family Law Council of Wisconsin, Inc. (2014– 2015)State Bar of Wisconsin, Family Law Section, Board of Directors (August 2010–July 2013, August 2013–July 2016)Editor in Chief, Wisconsin Journal of Family Law (2007–2008)Member, American Bar Association Section of Family Law CLE Committee (2005–2006)Vice-Chair, American Bar Association Section of Family Law Trial Practice and Techniques Committee (2001–2004, 2005–2006)Chair, American Bar Association Section of Family Law Trial Practice and Techniques Committee (2004–2005)Vice-Chair, American Bar Association Section of Family Law CLE Committee (2004–2005)Vice-Chair, American Bar Association Section of Family Law Bankruptcy Committee (2003–2004)Court Commissioner, Milwaukee County Circuit Court, Appointed by Hon. Diane S. Sykes (1998)

Milwaukee County Office of the Family Court Commissioner
Speaker, "What Is and Isn’t a Proper Exercise of Discretion" (October 13, 2021)Speaker, "Things Attorneys Try to Pull with Commissioners; Make Your Life Easier and Don’t Let Them Get Away with It" ( August 18, 2021)Speaker, "Family Law Is Subject to The Rules of Evidence and Civil Procedure, So Here Are the Basics"(June 16, 2021)Speaker, "Judicial Demeanor: You’re the Boss, So Act Like It, But Don’t Be Bossy" (May 12, 2021)
Wisconsin Supreme Court
Speaker, “Family Law 101″ (June 2015)
Collaborative Family Law Council of Wisconsin, Inc.
Speaker, Second Saturday Wisconsin (February 2015)Speaker, Second Saturday Wisconsin (October 2014)
Association of Family and Conciliation Courts Wisconsin/Leander Foley Matrimonial Inns of Court/Society of Family Lawyers
Speaker, “Utilization of Mental Health, Counseling, and Medical Records in Family Law Cases: A view from the Bench, the Bar and Healthcare Professionals” (February 2015)
American Academy of Matrimonial Lawyers—Wisconsin Chapter
Moderator, Family Court Commissioners’ Panel (March 2018)Speaker, “May Non-Lawyers Draft QDROs?” (February 2015)Speaker, “Hot Tips: Double Counting Reminders” (March 2013)
O’Neil, Cannon, Hollman, DeJong & Laing S.C.
Speaker, “Asset Protection Issues in Divorce and Family Transfers” (October 2015)Speaker, “Issues Relating to Recent Developments in the Legal Profession” (October 2014)
Society of Financial Service Professionals
Speaker, “Financial Planning for a Second Marriage” (March 2012)
American Bar Association Section of Family Law
Co-Producer, “Executive Compensation: Is it Income or is it Property?” (May 2006)Co-Producer and Moderator, “Direct Examination of the Financial Expert: How to Make Your Point and Not Lose Your Audience” (September 2005)Co-Producer and Moderator, “Hot Tips from the Experts” (August 2005)Speaker, “Allocation of Dependency Exemptions in Paternity Case and Other Tax Tips” (August 2004)Producer and Moderator, “Challenging the Superego: How to Prepare for a Psychologist’s Testimony” (April 2004)Co-Producer and Moderator, “Ethics at Trial in Spite of Your Client” (October 2003)Co-Producer and Moderator, “Preparing and Presenting Domestic Violence Protective Order Cases” (May 2003)
State Bar of Wisconsin Family Law Section
Speaker, “Tools of the Trade–A Demonstration of How to Use Different ToolsThat Help You Determine Financial Issues in Family Law” (August 2015)
Speaker, “A View from the Bench: A Panel Discussion of Hot Topics and Tips forBeginner Family Law Practitioners” (August 2015)
Speaker, “Civil Procedure, Evidence, and Pretrial Discovery” (August 2014)Speaker, “Temporary Hearings—A Panel Discussion” (August 2014)Speaker, “Child Related Financial Issues, Property Division Maintenance” (August2013)
Speaker, “Literature Review” (August 2000)Speaker, “Case Law Update” (June 1999)
Law Education Institute, Inc., National CLE Conference®, Family Law Program
Speaker, “The Rules of Evidence: They DO Apply In Family Law” (January 2004)Speaker, “What Effective Negotiators Bring to the Table” (January 2003)Speaker, “Tricks of the Trade: Low Budget Computer Applications” (January 2002)Speaker, “Using a Psychologist as a Consulting Expert: Preparing Your Client for the Inevitable” (January 2001)
Marquette University (B.A., Political Science And Philosophy)Marquette University (M.A., Political Science)Marquette University (J.D.)