Robert Whittelsey | Colliers International | Denver

Robert Whittelsey

NAIOP, CoreNet

Principal | Occupier Advisors Group

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Professional Summary

Consistently recognized over the past two decades as one of the top brokers in Colorado by the Denver Business Journal, I am widely recognized for my real estate strategy development and negotiation skills. The strength and depth of my local and national market knowledge combined with the vast resources deployed on behalf of my clients, results in unparalleled results.

As a Principal of Colliers International Denver and team leader of the Office Property Division, I provide a full range of services to my clients to assist them with identifying their core goals and values.  Then through listening to my clients, I create solutions that positively affect their operations and balance sheet through reduced costs, increased productivity and increased earnings.


  • Tom Richardson Award Winner – Colliers International’s highest honor bestowed on one of over 15,000 professionals annually
  • Awarded National Association of Industrial and Office Properties’ Colorado Chapter Office Broker of the Year for 2011
  • Awarded Office Broker of the Year 2010 by Denver Commercial Association of Realtors and Denver Business Journal
  • Recognized as Top Ten Brokers of Colorado by the Denver Business Journal (2005-Present)
  • Denver Board of Realtors Million Dollar Roundtable (1991 – Present)
  • Recognized as one of the Top Office Brokers in the Denver Metropolitan Area as measured by value of transactions by Denver Business Journal (1995-Present)
  • Recognized as completing the second largest number of transactions in the Denver Metropolitan Area (1994)


  • BS, Business Administration, University of Colorado
  • Real Estate License, Colorado

Memberships & Involvements

  •  Denver Metro Commercial Association of Realtors (DMCAR)
  • Colorado Association of Realtors
  • National Association of Industrial and Office Properties (NAIOP)
  • Corporate Real Estate Network (CORENET)
  • Past Board Member Children’s Hospital Foundation
  • Founder & Co-Chair of Research Riders
  • National Charity League
  • Learning Ally
  • Florence Crittenden


Law Firm Services, Consultancy Services, Corporate Transaction and Portfolio Management, Development Consulting, Financial Analysis, Healthcare, Lease Advisory, Transactions Services
Service Lines
Tenant Representation, Corporate Solutions, Occupier Services
Property Type
Office, Healthcare-Medical
Tenant Advisory Council
Featured Research
Apr 22, 2019
2019 Q1 Denver Office Market Report
Similar to the beginning of 2018, the Metro Denver office market continues to profit due to a strong economy and an increase of employment throughout the area.
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Feb 1, 2019
2018 Q4 Denver Office Market Report
Continued interest in Denver’s office market was apparent during 2018, as total absorption for the year reached more than 3.1 million square feet – by far the highest annual total in the last 10 years.
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Oct 2, 2018
2018 Q3 Denver Office Market Report
Denver’s office market once again performed well during the past quarter with a decrease in vacancy, a small bump in asking rental rates, and positive absorption of more than 1.1 million square feet.
Read More
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