Find an Individual Member
Find an individual member using the form below or using our Member Map. To select among specialty types please see the definitions of each type below and choose accordingly.
SIOR Designee
Representing the elite top 1% of commercial real estate professionals, SIOR designees are recognized for their exceptional production, experience, and commitment to the highest standards of ethics and excellence. Designees specialize in industrial, office, sales management, executive management, and advisory services.
Member Associate
Commercial real estate professionals with 1–8 years of industry experience who are building their careers and working toward earning the prestigious SIOR designation through education, mentorship, and networking opportunities.
Affiliate Member
Companies providing products and services to the commercial real estate industry seeking to build relationships, increase visibility, and connect with SIOR’s elite global network of professionals. You may also use the following link to search our Affiliate Members.
Ronald J. Behm
Principal
COLLIERS
SIORSIOR Member since 1989
Consulting, Corporate Services, Distribution & Logistics, Landlord, Sale/Leasing, Tenant Representation6250 N River Rd Ste 11-100, Rosemont, Illinois 60018-4259
Active Committees (0)
No active committees on record.
Past Committees (7)
- Chapter Leadership CouncilChapter Development & Retention Chair · 2007
- Chapter Leadership CouncilChapter President · 2006
- SPB - Distribution and LogisticsCommittee Member · 2006–2020
- Chapter Leadership CouncilChapter Vice President · 2005
- Chapter Leadership CouncilChapter Treasurer · 2003–2004
- Chapter Leadership CouncilAdmissions Chair · 2001
- Chapter Leadership CouncilAdmissions Chair · 2000
Events Attended This Year (1)
- 2026 Spring EventApr 14, 2026
Lifetime Events Attended (55)
- 2026 Spring EventApr 14, 2026
- 2024 Spring EventMay 6, 2024
- Fall 2023 EventOct 11, 2023
- 2021 CREate 360Oct 14, 2021
- Platinum Sponsor EventAug 6, 2021
- Webinar: A Discussion on How the Covid-19 Vaccine Will Be DistributedJan 21, 2021
- 2020 CREate 360 VirtualOct 21, 2020
- PanelMay 13, 2020
- TransACT 360 Virtual General SessionApr 30, 2020
- 2019 Fall World ConferenceOct 16, 2019
- Luncheon 09/24/2019Sep 24, 2019
- 2019 Spring World ConferenceApr 10, 2019
- Spring ""Meet & Greet"" 2019Mar 26, 2019
- 2018 Transaction AwardsFeb 26, 2019
- Platinum Sponsor AppreciationNov 13, 2018
- Lunch with the GovernorSep 25, 2018
- Midwest Networking Regional EventAug 21, 2018
- June Lunch- Last Mile HypeJun 26, 2018
- 2018 Spring World ConferenceApr 11, 2018
- Meet & Greet & Transaction AwardsMar 23, 2018
- Holiday Party 12/01/2017Dec 1, 2017
- Platinum Appreciation Event 2017Nov 16, 2017
- 2017 Fall World ConferenceOct 25, 2017
- SIOR Great Lakes Region - Midwest Regional Networking ConferenceAug 23, 2017
- Chapter Program and LuncheonJun 27, 2017
- 2017 Spring World ConferenceApr 26, 2017
- Transaction Awards & Spring Meet and GreetMar 21, 2017
- Platinum Appreciation Event 2016Nov 15, 2016
- 2016 Fall World ConferenceOct 20, 2016
- 2016 Spring World ConferenceApr 13, 2016
- 2015 Fall World ConferenceOct 8, 2015
- Midwest Regional Networking Event 2015Sep 1, 2015
- 2015 Spring World ConferenceApr 22, 2015
- Spring ""Meet & Greet"" 2015Mar 19, 2015
- 2014 Fall World ConferenceOct 22, 2014
- 2013 Fall World ConferenceOct 24, 2013
- 2011 Fall World ConferenceOct 20, 2011
- 2010 Spring World ConferenceApr 22, 2010
- FWC 2009Oct 27, 2009
- 2008 Spring ConventionApr 24, 2008
- 2007 FPCNov 9, 2007
- 2007 Spring ConventionMay 3, 2007
- 2006 Fall Professional ConferenceOct 27, 2006
- Fogo de Chao Dine-AroundJul 1, 2006
- 2006 Leadership Conference - Washington, DCJul 1, 2006
- 2006 Spring ConventionApr 20, 2006
- 2005 Fall Professional ConferenceNov 4, 2005
- 2005 Spring ConventionApr 14, 2005
- 2003 Fall Professional ConferenceNov 13, 2003
- 2003 Spring ConventionApr 24, 2003
- 2002 Spring ConventionApr 11, 2002
- 2001 Spring ConventionApr 26, 2001
- 2000 Spring ConventionMay 4, 2000
- AC98 - ConversionJul 1, 1998
- 1998 Spring ConventionApr 23, 1998

