Our Market Area experts bring valuable experience from a broad spectrum of different practices to assist our clients with their real estate requirements.

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
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
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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Brooks Farley
Brooks Farley joined Tenant Advisors, Inc. in 2011. Brooks focuses on providing comprehensive commercial real estate services to a variety of clients.
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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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Steven Gillespie
Steve Gillespie joined Tenant Advisors, Inc. in 2012. Steve focuses on providing comprehensive real estate services to a variety of clients.
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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
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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Bill Michael
Bill Michael joined the Tenant Advisors team in 2010. As a tenant representative, Bill has worked with a wide array of companies, and aspects of commercial real estate
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Liza Passarelli
Liza Passarelli joined the team at Tenant Advisors, Inc. in 2010. Prior to joining Tenant Advisors, Inc., Liza worked in the office brokerage group at CBRE.
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Mike Stephany
Michael Stephany joined Tenant Advisors, Inc. in 2011. Michael has been involved in all aspects of commercial real estate,
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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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Trent Castle
Trent Castle joined the Tenant Advisors Team in 2013, where he focuses on representing tenants the East and Western Suburbs of Illinois, and also works with clients in Chicago.
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Julie Christy
Julie Christy joined Tenant Advisors, Inc. in 2013 continuing a 13 year career in commercial real estate focused on the Chicago Loop office market. Julie earned a Bachelor degree from Texas Christian University. Julie lives in Barrington and is the proud mother of two sons.
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