Mark A. Shiller
Certus Legal Group, Ltd. • Milwaukee, WI
TrustsEmployment LawEstate PlanningFinancial PlanningGeneral Practice
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Contact
Email
Phone
(414) 751-6730
Address
10700 W. Research Drive, Milwaukee, WI, 53226, US
Professional
About
Mark A. Shiller, a seasoned attorney based in Milwaukee, WI, specializes in estate planning, business succession planning, and family wealth management. With a strong commitment to serving business owners, senior executives, and families, Mark employs innovative strategies to navigate the complexities of personal, tax, and financial planning. His extensive expertise encompasses the drafting and execution of wills, revocable and irrevocable trusts, charitable trusts, family limited partnerships, and powers of attorney. By integrating these estate planning tools, Mark adeptly helps clients minimize administrative burdens, optimize tax outcomes, and ensure a seamless transfer of wealth. His skill in incapacity planning and creditor protection further enhances the security and stability of his clients’ legacies. In the realm of closely held businesses, Mark provides comprehensive support in income tax planning, liability mitigation, and ownership succession. He also assists business owners with essential services, including the formation of corporations, drafting organizational documents, and creating buy-sell agreements. His multifaceted approach ensures that each client receives tailored solutions that align with their unique objectives. Mark is a recognized thought leader in his field, having been featured in prominent publications such as Smart Money, Worth, and Investment News. His commitment to education is evident from his tenure as an adjunct professor at the University of Wisconsin Law School, where he taught business succession planning. He frequently shares his insights at various events, addressing audiences that range from legal and financial professionals to business groups and the general public. At Certus Legal Group, Ltd., Mark A. Shiller is dedicated to delivering exceptional client service and expert guidance in estate planning, employment law, financial planning, and tax matters, positioning his clients for long-term success and peace of mind.
About Trusts Law
Trust attorneys help individuals and families create and administer trusts for asset protection, tax planning, and wealth transfer. Common matters include trust creation, trust administration, trust disputes, special needs trusts.
Credentials
Education
1994 University of Michigan Law School JD - Juris Doctor 1993 University of Michigan MAE 1990 University of Michigan BA - Bachelor of Arts
Languages
English
Recognition & Involvement
Awards
2015 Listed, Best Lawyers in America 2014 Super Lawyer, Law & Politics Magazine 2014 Leading Lawyers, M Magazine 2014 Listed, Best Lawyers in America 2013 Super Lawyer, Law & Politics Magazine
Associations
2015 - Present Uniform Power of Appointment Act Review Committee Chair 2014 - Present State Bar of Wisconsin Digital Assets Committee 2008 - Present Board of Governors -- Real Property, Probate and Trust Law Section of the Wisconsin Bar Chair 2007 - Present Wisconsin UTC Subcommittee 2006 - Present American College of Trusts and Estates Counsel Fellow
Speaking
2014 State Bar of Wisconsin Wisconsin Trust Code 2014 Monthly Meeting Community Property for Those Just Who Practice Common Law 2011 CEO Roundtable Family Wealth Counseling
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Updated: May 25, 2026