SIOR Leadership & Governance

SIOR Global Leadership


Robert Thornburgh, SIOR
2019 President
Kidder Matthews
Los Angeles, CA, USA





Mark Duclos, SIOR
Sentry Commercial
Hartford, CT, USA





Patrick Sentner, SIOR
Vice President
Pittsburgh, PA, USA

Board of Directors

Governance Committee


Robert Thornburgh, SIOR
2019 President
Kidder Matthews
Los Angeles, CA, USA





Mark Duclos, SIOR
Sentry Commercial
Hartford, CT, USA





Patrick Sentner, SIOR
Vice President
Pittsburgh, PA, USA




Del Markward, SIOR
Immediate Past President
Markward Group
Allentown, PA, USA





Terry Smith, SIOR
Operations Director
Nashville, Colliers International
Nashville, TN, USA


Performance Oversight and Monitoring Committee


Jack Whalen, SIOR
Treasurer and Chair
Kidder Mathews
Los Angeles, CA, USA





R. Conrad Bernard, SIOR
Boyd Commercial, LLC/Corfac International
Houston, TX USA




dennis Hennessy-13813


Dennis Hennessy, SIOR
COR Brokerage
Syracuse, NY, USA






David Schiller, SIOR
CLC Speaker
Cushman & Wakefield Pyramid Brokerage Co. of Buffalo
Buffalo, NY, USA






Frederic Schneider, SIOR
Jonas LLP
London, United Kingdom

Planning and Program Development Committee


David Lockwood, SIOR
Member-at-Large and Chair
Colliers International
Columbia, SC, USA



Jeff Johnson, SIOR
NAI Black
Spokane, WA USA





Patricia Loveall, SIOR
Kidder Mathews
Seattle, WA, USA






Mark Long, SIOR
Newmark Zimmer
Kansas City, MO, USA





Craig Meyer, SIOR
Past-President Rep.
El Segundo, CA, USA

Regional Directors


Gil Gordon, SIOR
RD-Canada Region
Cushman & Wakefield LTD
Mississauga, ON, CANADA




Michael Capobianco  

Michael Capobianco, SIOR
Markward Group
Allentown, PA




Taber Thill, SIOR
Colliers International
Las Vegas, NV




Michael Carlson

Michael Carlson, SIOR
Newmark Zimmer
Saint Louis, MO




Jeff Wilke, SIOR
SVN | Gulf Partners
New Orleans, LA




Frank Hird, SIOR
O,R&L Commercial
Branford, CT




Vanessa Herzog

Vanessa Herzog, SIOR
Tacoma, WA




Chris Curtis, SIOR
RD-Great Lakes
Nugent Curtis Real Estate
Kankakee, IL




Bruce Hecht

Bruce Hecht, SIOR
Swearingen Realty Group
Dallas, TX





Hank Martin

Hank Martin, SIOR
NAI Saig Company
Memphis, TN




MCC Leadership


Robert Thornburgh, SIOR
MCC Chair
Kidder Mathews
Los Angeles, CA





Mark Duclos, SIOR
MCC Vice-Chair
Sentry Commercial
Hartford, CT, USA




John Adams


John Adams, SIOR
Communications and Branding Committee Chair and Office Member Group Chair
Avison Young
Knoxville, TN





Dan Granot, SIOR
Conference Committee Chair
Joel & Granot Real Estate/CORFAC International
Atlanta, GA




Hank Pruitt


Hank Pruitt, SIOR
Membership Standards & Admissions Committee
Pruitt Realty
San Antonio, TX





Gabriel Silverstein, SIOR
Non Dues Revenue Committee Chair
SVN | Angelic
New York, NY





Steve Kapp, SIOR
Technology Committee Chair
Newmark Cornish & Carey
Hayward, CA





Soozi Jones Walker, SIOR
Diversity Member Group Chair
Commercial Executives
Las Vegas, NV




Paul Kluck


Paul Kluck, SIOR
Faculty Member Group Chair
Greenwood Village, CO




Ryan Hartsell


Ryan Hartsell, SIOR
Independent Brokerage Group (IBG) Chair
Oxford Partners
Houston, TX




Brad Pope


Brad Pope, SIOR
Industrial Member Group Chair
Atlanta, GA




Frederic Schneider


Frederic Schneider, SIOR
International Member Group Chair
Carter Jonas LLP




Brad Kitchen


Brad Kitchen, SIOR
Investment Member Group Chair
Alterra Real Estate Advisors
Columbus, OH




Peter Hanson


Peter Hanson, SIOR
Legacy Member Group Chair




Grant Pruitt


Grant Pruitt, SIOR
Tenant Rep Member Group Chair
Whitebox Real Estate LLC
Dallas, TX

Dan Palmeri   Dan Palmeri, SIOR
Young Professionals Member Group Chair
Cushman & Wakefield
Las Vegas, NV 

Sanjeet D. Narain, SIOR, MRICS, CRES, TRC
Sanjeet D. Narain, SIOR, MRICS, CRES, TRC

Ex Officio


Thomas E. McCormick III, SIOR
Chief Executive Officer

SIOR Governance


SIOR maintains and promotes a professional designation of the highest quality for the benefit of its members and their clients.


We envision the SIOR professional designation standing unchallenged for excellence in the performance of commercial real estate services and universally recognized as the prerequisite in the selection of a commercial real estate broker, agent, or consultant. We are committed to supporting our members in achieving excellence while assisting their clients.

SIOR Governance Documents

General Objectives

The general objectives of SIOR follow:
  • Membership: Attract and maintain the most professionally competent real estate practitioners serving the facility needs of commerce and industry by implementing an active campaign to increase SIOR membership without reducing quality or standards.
  • Professional Competence and Education: Use appropriate resources of SIOR, its Education Committee, and the SIOR Foundation to enhance the competence and capabilities of its members and to offer educational opportunities to members, prospective members, the real estate industry, and the corporate real estate community.
  • Government Affairs: Represent the interests of the membership in government and legislative arenas.
  • Ethics: Establish and promote the highest standards of ethical and professional conduct among all members.
  • Publicity and Public Relations: Increase the visibility of SIOR and the professional capabilities and competence of its members within the business, civil, and political communities and within the real estate industry.
  • Organizational and Governance Structure: Assure that the SIOR President is recognized as SIOR’s principal spokesperson and Chair of its Board of Directors and assure that SIOR’s elected leadership, Board of Directors, and staff, through the Executive Vice President, fulfill SIOR’s mission and general objectives.

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