Stream Realty Partners Hires New Vice President to Oversee Office Property Management in Chicago

Chicago, IL
February 02 2 min read

CHICAGO – Feb. 1, 2024 – Stream Realty Partners, a national commercial real estate firm offering an integrated platform of services, announces the hiring of Gannon O’Brien as a Vice President of Office Property Management. Based in Chicago, O’Brien is responsible for the operations and financial performance of the real estate, as well as supporting the growth of Stream’s office property management platform in the Chicago market.  

“With a passion for elevating office spaces and a commitment to delivering unparalleled tenant experiences, I am eager to contribute my expertise in property management to drive innovation, foster meaningful relationships, and lead Stream’s portfolio towards new heights,” said O’Brien. “I am excited to have had the opportunity to be a part of this dynamic team and look forward to joining them in continuing to redefine the standards of excellence in the commercial real estate industry.”   

O’Brien began his property management career at MB Real Estate, where he held positions at 205/225 N. Michigan Ave. and 55 W. Wacker Drive. Most recently, he worked for Zeller, serving as Vice President and General Manager of 311 S. Wacker Drive, where he was responsible for the financial and operational performance of the 1.3 million-square-foot office property.  

O’Brien is a Certified Commercial Investment Member (CCIM), a Real Property Administrator (RPA), and a member of the Building Owners & Managers Association/Chicago (BOMA) and Chicago Real Estate Network’s Board of Directors.  

“Gannon’s deep knowledge of property management in the Chicago market combined with his experience in managing buildings make him an excellent fit for our team,” said Stream Partner & National Leader of Industrial Property Management Victoria Knudson. “He also represents our core values of nice, smart, honest, and passionate with his involvement in the real estate community.”  

Stream Chicago has an office leasing and property management portfolio spanning more than 37 million square feet of space, overseen by 43 professionals.  

About Stream Realty Partners
Stream Realty Partners is a national commercial real estate firm offering an integrated platform of services, including leasing, Legendary CX property management, tenant and landlord representation, capital markets, investment management and sales, development, construction management, national program management, workplace strategies, strategic marketing and dedicated research. The company is headquartered in Dallas and operates 15 core offices in markets that cover areas including Alexandria, VA; Arlington, VA; Atlanta; Austin, TX; Boca Raton, FL; Charleston, SC; Charlotte, NC; Chicago; Colorado Springs, CO; Dallas; Denver; Fort Lauderdale, FL; Fort Worth, TX; Greenville, SC; Houston; the Inland Empire; Irvine, CA; Los Angeles; Miami; Nashville, TN; Orange County, CA; Phoenix; Raleigh-Durham, NC; Reston, VA; San Antonio; Tysons; Washington, D.C.; and South Florida. Since 1996, Stream has grown to more than 1,400 professionals and now completes more than $8.8 billion annually in office, industrial, retail, healthcare, land and data center transactions. For information, visit and follow Stream on LinkedIn, Instagram, X and Facebook. 

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Victoria Knudson

Leader, Industrial Property Management & Partner Contact