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Glenn Guenther | Colliers | St. Louis - Clayton

Glenn Guenther


Executive Vice President

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Professional Summary

Glenn takes a consultative approach to his real estate advisory practice and works primarily on behalf of occupiers. To ensure clients are exposed to the full gamut of options, Glenn identifies, analyzes, and executes optimal buy, build, and lease solutions, without bias to the outcome. The spectrum of transaction types has included real estate acquisitions, dispositions, leasing and tenant representation, asset monetization, project development, real estate finance, asset management, investment, and consulting. Primary client segments for Glenn are privately/closely held companies and not-for-profits with a local or regional presence in the office and healthcare spaces.  

Prior to joining Colliers, Glenn was First Vice President with CBRE’s St. Louis office. Before this position, he was co-founder of Discovery Group, LLC. Established in 1996, Discovery Group was a boutique real estate firm based in the St. Louis region focused on development, consulting and specialty services for corporations, healthcare systems, non-profit organizations, owner/operator businesses and private investment concerns. Glenn entered the commercial real estate industry in 1984 with the former firm Krombach & Associates.

He views his vocation as simply a vehicle for fulfilling his true passion - initiating, developing, and deepening personal relationships with colleagues, clients, and friends. Glenn’s life philosophy is that when we look back on our lives, it will be our relationships we remember the most.   

In addition to his industry involvement, Glenn has served on the Board of Directors for West County YMCA and Young Life West County’s Steering Committee. He’s participated extensively in the Missouri Governor’s Student Forum on Faith & Values in Leadership and was recently named to Mercy Health Foundation’s Board of Directors.



  • Completed over 550 transactions and assignments with volume more than $750 million
  • Society of Industrial and Office Realtors (SIOR) designation since 1986 and Past President of the St. Louis Chapter
  • Midwest Real Estate News - 2016 Commercial Real Estate Hall of Fame Inductee
  • SIOR St. Louis Commercial Real Estate Broker of the Year – 2000
  • SLAR - Commercial Division, Board of Directors
  • Clayton Chamber of Commerce, Board of Directors Altus Realty Income Fund, Advisory Board
  • Reliance Bank Advisory Board


  • University of Missouri - Columbia, Bachelor of Business Administration


Memberships & Involvements

  • Society of Industrial and Office Realtors (SIOR)
  • Clayton Chamber of Commerce
  • St. Louis Association of Realtors - Commercial Division (SLAR)




Service Lines

Tenant Representation, Occupier Services

Property Type

Industrial, Office

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