**SIOR Appoints James Dinegar as New CEO**
The Society of Industrial and Office Realtors (SIOR) has announced the appointment of James Dinegar as its new Chief Executive Officer, signaling a strategic new chapter focused on innovation, growth, and added value for members and the broader commercial real estate (CRE) industry.
With a leadership background spanning more than 30 years, Dinegar brings a wealth of experience in organizational management and CRE advocacy. His previous roles include Chief Operating Officer of the American Institute of Architects, President & CEO of the Greater Washington Board of Trade, and a leadership position in government and industry affairs at BOMA International.
“It is an incredible honor to step into this role and serve the SIOR community—an organization built on excellence, integrity, and innovation in commercial real estate,” said Dinegar. “I am thrilled to join at such a pivotal time and look forward to building on SIOR’s achievements and continuing to deliver value to our members, their clients, and the industry.”
SIOR emphasized that Dinegar’s appointment underscores the organization’s commitment to advancing professional standards and driving global success across the CRE sector.
