The ever-changing, complex world of commercial real estate can be a tough one to navigate on your own. It’s important to have the right advisor — one with access to exclusive commercial real estate listings, who stays within your budget, asks pertinent questions you might not know to ask and who will fiercely represent you during all negotiations — on your side.

Our advisors understand what matters most to you and utilize their invaluable experience to ensure your entire experience, from start to finish, is simple and painless.

Click through to meet our advisors. If you would like to reach out to them directly, you will find their contact information by hovering over their photograph. To send a general inquiry, please visit our contact page to call or email us anytime.

Tom Koelzer | Partner and Co-Founder Tenant Advisors
Tom Koelzer
Tom Koelzer, Partner and Co-Founder of Tenant Advisors, Inc., has been representing Chicago office tenants on an exclusive basis since 1986.
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David Ven Horst | Partner and Co-Founder Tenant Advisors
David Ven Horst
David Ven Horst, Partner and Co-Founder of Tenant Advisors, Inc., began his commercial real estate career in 1986.  David has provided real estate brokerage and advisory services
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David EtsHokin | Tenant Advisors
David EtsHokin
David EtsHokin joined the commercial tenant representation firm of Tenant Advisors, Inc. in 2011.  Working with a diverse range of clients’, David brings knowledge of the local Chicago market and surrounding areas.
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Roxie Geisler | Tenant Representative
Roxie Giesler
Roxie Giesler has been a part of Tenant Advisors, Inc. since 2004.  Roxie gained her first position in the commercial office tenant representation field in 1995.
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Dave Hamilton | Tenant Representative
Dave Hamilton
Dave Hamilton joined Tenant Advisors, Inc. in 2010.  As a
tenant representative, Dave develops personalized, creative and cost effective solutions to meet his clients’ real estate requirements.
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Melanie Hartmann | Tenant Representative
Melanie Hartmann
Melanie Hartmann joined the Tenant Advisors, Inc. team in 2011.  In her position at Tenant Advisors, Inc., Melanie specializes in tenant representation,
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Liza Passarelli | Tenant Representative
Liza Passarelli
Liza Passarelli joined Tenant Advisors in 2010 after
starting her career at CB Richard Ellis. Liza has successfully managed diverse projects in the suburbs and downtown Chicago, from office relocations and lease re-negotiations to complex, build-to-suit properties and specialized medical facilities
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Michael Vizzone
Michael Vizzone 
Michael Vizzone joined the Tenant Advisors, Inc. team in 2012.  In his position at Tenant Advisors, Inc., Mike specializes in tenant representation,
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Julie Koelzer
Julie joined Tenant Advisors in 2013 to continue a 16 year career in commercial real estate. Her expertise has included leasing many of Chicago’s premier office buildings, successfully negotiating leases for over 2 million square feet of space, while being nominated top broker by the Chicago Sun Times.
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carlos tenorio
Carlos Tenorio
Carlos Tenorio joined the Tenant Advisors, Inc. team in 2015. In his position at Tenant Advisors, Inc., Carlos specializes in tenant representation, where he provides strategic real estate solutions to ensure that his clients’ business, financial and operational objectives are
met.
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Rocky Hofstetter
Rocky Hofstetter Jr.
Rocky Hofstetter
Jr. joined the Tenant Advisors, Inc. team in 2016.  In his position at Tenant Advisors, Inc., Rocky specializes
in tenant representation, where he provides strategic real estate solutions to ensure that his clients’ business, financial and operational objectives are met.
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brandon l jacobs
Brandon L. Jacobs
Brandon L. Jacobs joined the Tenant Advisors, Inc. team in 2020. In his position at Tenant Advisors, Inc., Brandon specializes in tenant representation, where he provides strategic real estate solutions to ensure that his clients’ business, financial and operational objectives are met.

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