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Ronna Larsen | Colliers | Chicago - Rosemont

Ronna Larsen


Senior Research Manager

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Professional Summary

Working alongside the office tenant and landlord representation brokers of Colliers International | Chicago’s Suburban Office Advisory Group, I provide our clients with customized reporting and analysis. As the research manager for the Suburban Office Advisory Group, I specialize in the collection and analysis of market and economic related statistics and prepare quarterly market reports for the overall suburban office market and individual submarkets.

I provide detailed market knowledge through the collection, organization and distribution of primary data including lease comparables, tracking tenants in the market, large-block availabilities as well as creating drive-time and demographic analysis and competitive building skyline reports. My more than 20 years of real estate experience have made me an integral asset to the team.

Prior to joining Colliers, I spent 10 years with CoStar managing the Chicago tenant division. During my tenure, I was responsible for the overall comprehensiveness and quality of a database of 50,000 tenants.


In 2013, I achieved the Commercial Property Research Certification (CPRC), which requires more than 25 hours of online coursework. CPRC offers a professional development path to increase strategic and tactical expertise in research, knowledge of the real estate industry and capabilities with the required tools.


  • Triton College


  • American Landmark Properties
  • CBRE Global Investors
  • Colony Realty Partners
  • Deutsch Asset & Wealth Management
  • Equus Capital Partners
  • Fulcrum Asset Advisors
  • Highland Management Associates
  • Lowe Enterprises
  • ML Realty Partners
  • Parkway Properties
  • Peak Development
  • Principal Financial
  • Tellabs Corporation


Service Lines


Property Type


Featured Research

Jul 21, 2021

2021 Q2 Chicago Suburban Office Report

As the state began reopening in the second quarter of 2021, employees slowly started to return to the office, with most offices expected to be back to 100 percent occupancy by Labor Day.
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Apr 16, 2021

2021 Q1 Chicago Suburban Office Report

The first quarter of 2021 continued to see an increase in the number of companies in the market for office space. An increase is expected to continue through the 2nd quarter, with visible improvement to signed leases and absorption expected. The inner ring of the market, including Near North, O’Hare and Oak Brook are seeing the majority of activity.
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Jan 15, 2021

2020 Q4 Chicago Suburban Office Report

The first half of 2021 is expected to have minimal leasing velocity, with many companies still evaluating what the future of their workspace will look like as they plan a return to the office following the broader distribution of COVID-19 vaccines. Optimistically, we are expecting increased transaction volume in the second half of the year as these companies look to implement their new real estate strategies. However, this will likely still result in increased vacancy, both on a direct and sublease basis, and negative absorption for calendar year 2021.
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