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.
Mark F. Gustin
Executive Vice President
CBRE
SIOR, CCIMSIOR Member since 2009
Corporate Services, Investments, Landlord, Sale/Leasing, Tenant Representation2575 E Camelback Rd Ste 500, Phoenix, Arizona 85016-9251
Active Committees (0)
No active committees on record.
Past Committees (6)
- Chapter Leadership CouncilCommittee Member · 2015–2017
- Group Tax ExemptionCommittee Member · 2015–2017
- SIOR-Arizona ChapterPresident · 2015–2017
- Chapter Leadership CouncilCommittee Member · 2013–2015
- SIOR-Arizona ChapterVice President · 2013–2015
- Group Tax ExemptionCommittee Member · 2013–2015
Events Attended This Year (0)
No events this year.
Lifetime Events Attended (52)
- Annual Spring Training Game 2021Mar 19, 2021
- Broadway Curve / Sky Harbor Improvement MeetingFeb 18, 2021
- Annual Mt. Shadows Golf TournamentJan 22, 2021
- Mountain Shadows Golf TournamentJan 10, 2020
- Signature Speaker EventSep 24, 2019
- Welcome to the Summer Happy HourJun 5, 2019
- Service Day 2019Apr 25, 2019
- Shotgun Golf TournamentJan 17, 2019
- Holiday Party 12/06/2018Dec 6, 2018
- Holiday Party 12/06/2018Dec 6, 2018
- SIOR Chapter Signature SpeakerOct 22, 2018
- Top Golf 09/27/2018Sep 27, 2018
- Summer Happy HourJun 7, 2018
- Service Day 05/08/2018May 8, 2018
- Day at the Races 2018Apr 17, 2018
- Spring Training Game 2018Mar 2, 2018
- Members- only LunchFeb 13, 2018
- Golf Tournament 01/18/2018Jan 18, 2018
- Holiday Party 12/07/2017Dec 7, 2017
- Holiday Party 12/07/2017Dec 7, 2017
- ""Here Comes Summer"" Happy Hour 2017Jun 14, 2017
- Food & Classic Cocktail ExperienceMay 18, 2017
- 2017 Spring World ConferenceApr 26, 2017
- Spring Training Game 2017Mar 3, 2017
- Platinum Showcase 2017Jan 25, 2017
- Holiday Party 12/08/2016Dec 8, 2016
- Holiday Party 12/08/2016Dec 8, 2016
- Annual Economic Forecast 2016Nov 16, 2016
- 2016 Fall World ConferenceOct 20, 2016
- Marina Heights Presentation and TourSep 15, 2016
- 2016 Leadership ConferenceJul 1, 2016
- Signature SpeakerMay 11, 2016
- 2016 Spring World ConferenceApr 13, 2016
- Spring Training Game 2016Mar 2, 2016
- Holiday Party 12/03/2015Dec 3, 2015
- GPEC & Phoenix Sky Harbor International Airport PresentationNov 18, 2015
- 2015 Fall World ConferenceOct 8, 2015
- 2015 Leadership ConferenceOct 7, 2015
- Annual Economic Forecast 2015Sep 17, 2015
- Happy Hour 06/18/2015Jun 18, 2015
- 2015 Spring World ConferenceApr 22, 2015
- Spring Training Baseball GameMar 4, 2015
- 2014 Fall World ConferenceOct 22, 2014
- 2014 Leadership ConferenceOct 22, 2014
- 2014 Spring World ConferenceApr 22, 2014
- 2013 Fall World ConferenceOct 24, 2013
- 2013 Spring World ConferenceMay 2, 2013
- 2012 Fall World ConferenceOct 25, 2012
- 2012 Spring World ConferenceMay 8, 2012
- 2011 Fall World ConferenceOct 20, 2011
- 2011 Spring World ConferenceMay 5, 2011
- 2010 Fall World ConferenceOct 21, 2010

