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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.
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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.
Stephen C. Calhoun
Senior Vice President
COLLIERS
SIOR Member since 1996
5100 S Eastern Ave Ste 100, Commerce, California 90040-2964
Active Committees (0)
No active committees on record.
Past Committees (7)
- SPB - Brokerage ManagementCommittee Member · 2006–2020
- Chapter Leadership CouncilChapter Secretary · 2005
- Chapter Leadership CouncilChapter Secretary · 2004
- ConventionCommittee Member · 2001–2002
- Large Industrial Market BrokerCommittee Member · 1997–1998
- AdmissionsCommittee Member · 1997–1999
- Chapter Leadership CouncilPresident · 1995
Events Attended This Year (0)
No events this year.
Lifetime Events Attended (10)
- Spring DinnerMay 24, 2018
- SIOR Night 2017Oct 12, 2017
- Spring Dinner & Market ReviewMay 4, 2017
- SIOR Night 2016Oct 6, 2016
- 2007 Spring ConventionMay 3, 2007
- 2001 Spring ConventionApr 26, 2001
- 2000 Fall Professional ConferenceOct 27, 2000
- 1999 Fall Professional ConferenceNov 6, 1999
- REALCOM - ConversionJul 1, 1999
- AC98 - ConversionJul 1, 1998

