Chief Executives
A dynamic group of the region’s top commercial real estate professionals founded the firm and today continue to direct IDS. Their dedication to consistent, hands-on management over the lifetime of a project, sets IDS apart from national, publicly traded third-party services firms challenged by rapid employee turnover and frequent management restructurings. IDS’ management leadership and staff stability are two of its greatest strengths.


David G. Mgrublian, Chief Executive Officer
As CEO of IDS, Mr. Mgrublian, who joined IDS in 1992, oversees its Real Estate Services, Residential, Corporate Services, and Advisor divisions. Mr. Mgrublian also selects and manages all institutional joint venture partners, evaluates all acquisitions, determines capital structures for all projects, approves and monitors asset management and development plans, and develops and implements strategic initiatives. Mr. Mgrublian came to IDS after a distinguished career as partner, marketing principal and leasing agent with Trammell Crow Company.

Holder of an MBA from Harvard University and a bachelor’s degree in economics and political science from Claremont McKenna College, Mr. Mgrublian is a member of the Urban Land Institute’s Urban Development/Mixed-Use Council.

Mr. Mgrublian is chairman of the Board of Westridge School in Pasadena, and is a trustee of Claremont McKenna College where he also chairs the Building and Grounds Committee and serves on the Executive Committee.  He is a former chairman of the Board of Trustees of St. Mark's School in Altadena, director of the Western Diocese Armenian Church Summer Camp, and a former alumni association president and student body president of Claremont McKenna College.

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Murad M. Siam, Chief Executive Officer
Prior to co-founding IDS in 1986, Mr. Siam was ranked as CBRE’s top real estate manager nationwide for three consecutive years. As CEO of IDS, Mr. Siam oversees its Real Estate Services, Corporate Services and Advisor divisions. Mr. Siam also directs all IDSREG Equities investments and co-investments, evaluates all acquisitions, approves and monitors asset management and development plans and develops and implements strategic initiatives.

A graduate of California State University, Northridge, Mr. Siam is a licensed California real estate broker and an active member of the American Industrial Real Estate Association, (AIR), the Building Owners and Managers Association (BOMA) and the International Council of Shopping Centers (ICSC). An active member of his community, Mr. Siam is the Founder and Chairperson of the Valley Sports Foundation, which serves over 1,000 high school age athletes annually in the Greater San Fernando Valley, and an Advisory Board Member of American Near East Refugee Aid.