Established in 1990, The Building Group has become one of Chicago's largest privately-held property management providers, focusing solely on Chicagoland. Our leadership consists of licensed professionals, including lawyers, accountants, and architects who have specialized in the management of real estate. Leveraging these skills, we solve problems where other management companies struggle. We are a customer focused, solution-based organization. Our clients value our local presence and personal attention to any matter.

Meet The Leadership Team


Jim Stoller 

Jim is a licensed architect, real estate broker, and property manager. As a founding member of The Building Group, Jim has spent over 40 years as one of the leading authorities on the management of condominium and cooperative associations. With his background in architecture, Jim is able to provide clients direction regarding their construction and budgeting of large capital projects.


Zachary Pollack
Chief Executive Officer

Zac began his career as an attorney focusing on multi-family real estate transactions. With an interest in development and management, he transitioned to work for a former client as the Director of Operations for a multifamily development and condominium management firm, managing nearly 10,000 units regionally. Zac has a breadth of institutional knowledge key to our clients.


Steve Guzy
Chief Financial Officer

Steve is a registered Certified Public Accountant and has worked in real estate accounting for the past 20 years. Steve is skilled at handling accounting matters specific to condominium associations, multifamily residential properties, and commercial spaces. Steve manages all of our client’s accounting in-house, along with any applicable payment procedures.

Margo Smith 
Senior Vice President 

Margo is a licensed property manager with extensive management knowledge of Chicago area residential properties. Her experience includes all areas of property management: building systems; condominium laws; customer service; building emergencies; capital projects; personnel supervision; purchasing efficiencies; refinances and sales transfers and vendor management.

Marty Moran
Vice President

Marty is a Certified Manager of Community Association, certified through the Community Association Institute. Over the past 22 years, Marty has become an expert in managing luxury condominium, commercial and rental portfolios. Additionally, he has implemented long-term financial plans and completed complex capital projects for multiple shared interest communities.