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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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P. Gregory Hastings
Partner/Broker
THE DUNHAM GROUP
SIORSIOR Member since 1993
Brokerage Management, Consulting, Corporate Services, Distribution & Logistics, Investments, Landlord, Sale/Leasing, Tenant Representation2 Monument Sq, Portland, Maine 04101-4093
About
Greg is a graduate of Bowdoin College (1983) and the University of Maine School of Law (1987). Greg was the 2nd broker in Maine to obtain the SIOR designation in 1993, following Tom Dunham. He has worked exclusively in the industrial real estate market since 1987. He is a past board member of the Boys and Girls Clubs of Southern Maine, Maine Commercial Association of Realtors, Waynflete School, and the Alpha Eta of Chi Psi Fraternity at Bowdoin College
Active Committees (0)
No active committees on record.
Past Committees (1)
- Membership Recruitment & RetentionCommittee Member · 1994–1996
Events Attended This Year (0)
No events this year.
Lifetime Events Attended (7)
- 2023 Spring EventApr 26, 2023
- 2019 Spring World ConferenceApr 10, 2019
- 2016 Fall World ConferenceOct 20, 2016
- 2005 Fall Professional ConferenceNov 4, 2005
- 2003 Spring ConventionApr 24, 2003
- 2001 Fall Professional ConferenceOct 25, 2001
- 2000 Spring ConventionMay 4, 2000

