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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.
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.
Greig F. Lagomarsino
Senior Vice President
COLLIERS
SIORSIOR Member since 1998
1999 Harrison St Ste 1750, Oakland, California 94612-3584
Active Committees (1)
- Large Industrial Market BrokerCommittee Member · since 1900
Past Committees (4)
- Chapter Leadership CouncilChapter President · 2006
- Chapter Leadership CouncilChapter Vice President · 2005
- Chapter Leadership CouncilChapter Secretary · 2004
- Chapter Leadership CouncilChapter Treasurer · 2003
Events Attended This Year (0)
No events this year.
Lifetime Events Attended (30)
- Annual Golf Tournament 2021May 20, 2021
- Virtual Kick-Off EventFeb 4, 2021
- Mid-Year UpdateAug 12, 2020
- Spring Wine Dinner 2019Mar 21, 2019
- Chapter Kick-Off MeetingJan 23, 2019
- Kick-Off 2018Feb 1, 2018
- Holiday Lunch 2017Dec 1, 2017
- Sharks GameNov 16, 2017
- Golf Tournament 05/17/2017May 17, 2017
- Kick-Off 2017Feb 2, 2017
- Holiday Lunch and Annual AwardsDec 1, 2016
- Sharks Game @ the Shark TankNov 3, 2016
- Wine Dinner 04/28/2016Apr 28, 2016
- Kickoff EventFeb 18, 2016
- 2015 Fall World ConferenceOct 8, 2015
- 2015 Spring World ConferenceApr 22, 2015
- 2014 Fall World ConferenceOct 22, 2014
- 2014 Spring World ConferenceApr 22, 2014
- 2013 Fall World ConferenceOct 24, 2013
- 2011 Spring World ConferenceMay 5, 2011
- 2006 Fall Professional ConferenceOct 27, 2006
- 2006 Leadership Conference - Washington, DCJul 1, 2006
- 2006 Spring ConventionApr 20, 2006
- 2005 Fall Professional ConferenceNov 4, 2005
- 2005 Leadership ConferenceMar 1, 2005
- 2004 Fall Professional ConferenceNov 4, 2004
- 2002 Fall Professional ConferenceNov 8, 2002
- 2000 Fall Professional ConferenceOct 27, 2000
- EXAM - ConversionJul 1, 1998
- AC98 - ConversionJul 1, 1998

