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Don Zien | Colliers | Milwaukee

Don Zien

Senior Vice President

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Professional Summary

Don specializes in retail real estate with over 25 years of experience.  Don has expertise with land transactions and a significant knowledge of the municipal approval process.  He has served as broker for a number of retail, medical, institutional, senior housing, and multi-family transactions.  His background is vast, including faciltating due diligence to retail investment sales. His versatile experience with not only sales but leasing make the development lifecycle a seamless process for the clients he works with. Don's determination, energy, attention to detail, willingness to overcome challenges and relentless work ethic assures that clients are experiencing unsurpassed real estate services.


Obtaining approvals for mid and big box retail throughout the state of Wisconsin.


Bachelor of Science, Economics and Communications, University of Wisconsin – Madison

Associate Degree, HVAC Systems, Milwaukee School of Engineering, Milwaukee, WI

Steamfitters Local 601: Apprentice to the HVAC industry and related technical training


Service Lines

Tenant Representation

Property Type

Retail, Land

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