The attorneys of HDZ are actively involved in our community by contributing time and financial resources, and have many years of community service through various professional memberships, education and community affiliations, philanthropic activities and their chosen areas of legal practice.

In the News at HDZ



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John F. Hager

John F. Hager, a native of De Pere, has 33 years’ experience advising individuals and business owners in a wide range of estate and business planning matters, including personal and family estate planning, the purchase and sale of businesses, formation of new businesses, business succession planning and banking and commercial transactions. John maintains a significant estate planning and probate, estate and trust settlement and administration practice, including the preparation of wills and trusts, financial and health care powers of attorney, marital property agreements and other estate planning techniques and documents.

John has been awarded an AV® Preeminent™ rating from Martindale-Hubbell peer review rating service, the highest rating available, reflecting an attorney who has achieved the height of professional excellence and is recognized for the highest level of skill and integrity.

John, who is also a licensed Certified Public Accountant, received his degree in Accounting from Marquette University in 1979 and his Law Degree from Marquette University Law School in 1982, where he was a Thomas More scholar. John is admitted to practice in all State and Federal courts in Wisconsin and the United States Tax Court. His professional affiliations include the State Bar of Wisconsin, Brown County Bar Association, Wisconsin Institute of Certified Public Accountants, Estate Planning Council of Northeast Wisconsin and Green Bay Estate Planning Forum. John is a frequent speaker and lecturer on business and estate planning matters, most recently presenting The Probate Process: From Start to Finish, through the National Business Institute.

John takes great pride in his civic and community involvement. His current and past community involvement include serving on the Boards of Directors of St. Vincent Hospital and St. Mary’s Hospital Medical Center, the Greater Green Bay Community Foundation, Inc., the St. Norbert College Gift Planning Advisory Committee, the Mutual Housing Authority of Green Bay, Inc. and the Green Bay Area Chamber of Commerce Healthy Lifestyles Cooperative; chairing the Friends of St. Vincent Hospital Foundation Board; serving on the Notre Dame of De Pere Board of Education, the St. Vincent Hospital Advisory Council and the St. Vincent Hospital Young Philanthropist Award Committee; participation in the Green Bay Area Chamber of Commerce Leadership Green Bay Program, Advance Marketing Committee and CEO Roundtable and involvement with the Junior Achievement Project Business Program and United Way; and coaching a wide variety of sports at the grade school and high school levels. John is also a member of the De Pere ASA Amateur Softball Association Hall of Fame.

John was named one of the “50 People You Should Know” by the Bay Business Journal and selected as one of the 2009 Leaders in the Law by the Wisconsin Law Journal. John was also a finalist for the 2009 Best of the Bay award for Best Attorney/Law Firm, as selected by the Green Bay Press Gazette readers and was selected by his peers for inclusion in The Best Lawyers of America 2013, 2014 and 2015. John was also a recipient of the 2013 Green Bay Packers Community Quarterback Award in recognition of the community service he provides.

John and his wife, Char, reside in De Pere. All three of their children, who currently reside in Milwaukee or Madison, attended Marquette University, including one graduate from Marquette University Law School.

You may contact John by e-mail at jhager@hdz-law.com.

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David P. Dewick

David P. Dewick has extensive experience advising his clients on a wide range of complex business and real estate matters, including mergers and acquisitions, restructurings, formation and capitalization of business entities, buy/sell agreements, strategic planning, commercial and residential real estate sales, development and leasing, condominium formation and conversion, banking and financial transactions and general counsel matters. Dave also serves on Advisory Boards for several clients.

Dave received his undergraduate degree from the University of Wisconsin in 1991 and his law degree, with honors, from Washburn University School of Law in 1996. Dave is admitted to practice before the courts of the State of Wisconsin and the U.S. District Courts for the Eastern and Western Districts of Wisconsin. His professional affiliations include the State Bar of Wisconsin and the Brown County Bar Association.

A native of Green Bay, Dave is an active member of the community. His current and past community involvement include being a board or committee member for Great Lakes Asset Corp., The Volunteer Center, Green Bay West Rotary Club and Ducks Unlimited; an advisor to non-profit foundations; a member of the Wisconsin Evangelical Lutheran Synod’s Constitution Committee; and participation in the Green Bay Area Chamber of Commerce Leadership Green Bay Program.

Dave and his wife, Kate, reside in Howard, along with their two children.

You may contact Dave by e-mail at ddewick@hdz-law.com.

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Matthew C. Zuengler

Matthew C. Zuengler devotes his practice to advising individuals, families and closely held business owners on wills, trusts, estate, gift and retirement distribution planning, business succession planning, charitable planning, marital property agreements and probate and trust administration, including post-mortem planning. Matt has significant experience in sophisticated wealth transfer techniques and works closely with his clients in developing and structuring estate plans to achieve both tax and non-tax objectives.

Matt received his bachelor’s degree in Economics and Finance from Carroll College in 1993 and his Law Degree from Marquette University Law School in 1996. Matt is admitted to practice before all Wisconsin Courts, the U.S. District Court for the Eastern District of Wisconsin and the United States Tax Court. His professional affiliations include the State Bar of Wisconsin, Brown County Bar Association, Estate Planning Council of Northeast Wisconsin and Green Bay Estate Planning Forum. Matt is a frequent speaker on estate planning matters, most recently presenting The Probate Process: From Start to Finish, through the National Business Institute.

Matt is also an accomplished author, having contributed to the following professional publications:

Matt is also a contributing author of the Roth IRA Answers Book by Panel Publishing. In addition, Matt has served as a technical consultant in updating BNA Estate & Gift Planner™ software.

Matt’s current and past community involvement include serving on the Board of Directors of the Greater Green Bay Community Foundation, Major Gifts Committee of the Friends of St. Vincent Hospital Foundation, currently as chairperson, Executive Board of Green Bay Area Chamber of Commerce - Partners in Education - Drug Alliance and the Planned Giving Committee of the Bay Area Humane Society. Matt is also a graduate of the Green Bay Area Chamber of Commerce Leadership Green Bay Program.

Matt and his wife, Joelle, reside in De Pere, along with their four children.

You may contact Matt by e-mail at mzuengler@hdz-law.com.

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Ryan D. Krumrie

Ryan D. Krumrie represents his clients in a wide range of business transactions, mergers and acquisitions, buying and selling of businesses, formations of business entities, business start-ups and general business and corporate matters, banking and commercial transactions, contracts, buy/sell, operating and shareholder’s agreements, construction law, contractor and subcontractor issues, franchises, residential and commercial real estate documentation, sales, development transactions, residential and commercial leases and lease disputes, general real estate disputes, condemnation, eminent domain, municipal law, easements, boundary disputes, commercial and civil litigation, federal court litigation, commercial and civil collections, creditor’s rights in bankruptcy and bankruptcy litigation, receivership, copyright/trademark issues and employment law matters.

Ryan received his Bachelor’s of Science degree from Winona State University in 2004, magna cum laude, and his law degree from Hamline University School of Law in 2007. Ryan began his practice in Minneapolis, Minnesota before returning to his home state of Wisconsin. Ryan is currently admitted to practice before the courts for the State of Wisconsin, the State of Minnesota and the United States District Court for the State of Minnesota, Eastern District of Wisconsin and Western District of Wisconsin.

Ryan is a member of the State Bar of Wisconsin, Brown County Bar Association, Minnesota State Bar Association and the Honorable Robert J. Parins Inns of Court. Ryan is a graduate of Leadership Green Bay, a 2012 Future 15 Young Professional Award recipient, a past member of the Phoenix Recruit Young Professionals Group, a Wills for Heroes volunteer attorney, serves on the Steering Committee for the Green Bay Area Chamber of Commerce Current Young Professionals Network and is a co-founder of the local volunteer group, Titletown Feet.

Ryan and his wife, Ericka, currently reside in Green Bay, along with their two children.

You may contact Ryan by e-mail at rkrumrie@hdz-law.com.
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Michael R. Demerath

Michael R. Demerath assists his clients with their business and real estate matters, including formation of business entities, operating and buy/sell agreements, non-compete and confidentiality agreements, employee handbooks, trademarks, franchises, collections and commercial litigation, creditor’s rights, mergers and acquisitions, commercial and residential real estate sales and leasing and condominium association matters. Mike also advises individuals on estate planning matters, including the preparation of wills, revocable trusts, financial powers of attorney and health care powers of attorney.

Mike received a Bachelor’s of Business Administration from St. Norbert College in 2003 and his law degree from DePaul University College of Law, with a Certificate in Taxation, in 2007. Mike, a native of Seymour, Wisconsin, began practicing in Chicago, Illinois before returning to the Green Bay area to be closer to his family. Mike is currently admitted to practice before the courts in the State of Wisconsin, the State of Illinois and the United States District Courts for the Eastern and Western Districts of Wisconsin.

Mike is a member of the State Bar of Wisconsin, Brown County Bar Association and the Honorable Robert J. Parins Inns of Court. Mike is a past President of the Brown County Bar Association – Young Lawyers Association and has coached the Southwest High School Mock Trial team. Mike is a member of Leadership Green Bay’s class of 2015 and is currently President of the St. Norbert College Alumni Board and President of the Howard-Suamico Optimist Club.

Mike and his wife, Sara, currently reside in Green Bay, along with their daughter.

You may contact Mike by e-mail at mdemerath@hdz-law.com.
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Nicholas J. Linz

Nicholas J. Linz assists his clients in a wide range of business and civil litigation needs, including employment matters, contracts, collections, residential and commercial real estate matters, easements, foreclosures, residential and commercial lease drafting and disputes, and commercial tax disputes. Nick also has significant experience in the fields of landlord/tenant law and municipal law.

Nick received a Bachelor’s of Business Administration from the University of Wisconsin – Madison in 2004 and his law degree from Marquette University Law School in 2007. A native of Green Bay, Wisconsin, Nick practiced in Milwaukee before returning to Green Bay to be closer to his family. Nick practiced in the Green Bay area before joining Hager, Dewick & Zuengler, S.C. He is admitted to practice before the courts in the State of Wisconsin and the United States District Courts for the Eastern and Western Districts of Wisconsin.

Nick is a member of the State Bar of Wisconsin, Brown County Bar Association and the Honorable Robert J. Parins Inns of Court. Nick is the former president of the Ashwaubenon Business Association and currently serves as the Vice President of the Allouez Optimist Club. Nick also sits on the Board of Directors for the Allouez Optimist Club’s Foundation.

Nick and his wife, Carrie, currently reside in Green Bay, along with their twin daughters.

You may contact Nick by e-mail at nlinz@hdz-law.com.