Markve & Zweifel, PLLC
Attorneys at Law
John Markve

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John Markve grew up in Buffalo, MN and received his Bachelors degree from the University of Minnesota. In 1995, John graduated from the University of the Pacific, McGeorge School of Law. He was admitted to practice law in California in 1995 and Minnesota in 1996.

Prior to forming Markve and Zweifel, PLLC in 2006, John worked at an estate planning boutique law firm located in Wayzata, MN, a prominent condominium / townhome association law firm in Eden Prairie, MN and a general practice law firm in Plymouth, MN.

John lives in Maple Grove with his wife, 3 children and a dog.

Special 10% discount for ASB clients


Agency 10 Insurance
Property & Casualty Agent
Joel Jacobson

Joel Jacobson lives in Champlin, MN with his wife, Erin, and two kids Haley and Jonah. His father was a pastor and did church planting, so he grew up moving around to many diffrerent cities throughout Minnesota and Wisconsin. His background includes twelve years of serving customers, with the past two years being with Agency 10 Insurance. Joel has a passion for helping people and is a man of integrity, who brings his best insurance solution to the table every time.


Signature Law, PLLC
Estate Planning, Probate & Trust Administration
Gregory L. Singleton

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Gregory Singleton received his bachelor’s degree from the University of Washington and law degree from the University of Minnesota in 2013. Gregory is admitted to practice in Minnesota State and Federal Court as well as the United States Tax Court.

After several years of litigating multi-million-dollar disputes and having drafted well over $4 billion worth of contracts, Gregory formed Signature Law, PLLC in 2019 to focus his practice on estate planning, families, and protecting their legacies.

Gregory lives in Plymouth, Minnesota with his wife and two daughters.

Special 10% discount for American Senior Benefits & Corestone Wealth Management clients