SIOR appoints David C. Lockwood III, SIOR as new CEO
February 17, 2026The Society of Industrial and Office Realtors® (SIOR) announced the appointment of David C. Lockwood III, SIOR, as its Chief Executive Officer (CEO), effective March 30, 2026.
An SIOR member since 1990 and SIOR 2024 Global President, David will lead SIOR’s headquarters team and advance its mission of excellence, professionalism, and global leadership in commercial real estate (CRE).
Prior to joining SIOR as CEO, David served as executive vice president and chief operating officer of Colliers | South Carolina, and previously as market president of the firm’s Columbia office, roles in which he spent decades building and leading one of the region’s most successful CRE operations.
“David is a proven leader who understands SIOR from the inside out,” said SIOR Global President Saadia Sheikh, SIOR. “As a longtime member and a recent global president, he brings unmatched institutional knowledge, credibility, and a deep commitment to our profession. We are confident he is the right leader to guide SIOR forward and to support our team and our members around the world.”
Lockwood’s commitment to CRE extends well beyond SIOR. He has served as president of both the South Carolina REALTORS® and the Central Carolina REALTORS® Association and completed 10 years on the Executive Committee of the National Association of REALTORS®. He has held numerous leadership roles within SIOR at the chapter and global levels and has been recognized multiple times for his service to the industry, including distinguished service and leadership honors from REALTOR® organizations at the state and national levels. He also served as a Commissioner on the South Carolina Real Estate Commission for eight years.
“SIOR has played a defining role in my professional life for more than three decades,” David said. “It is an honor to join the organization in this capacity and to work alongside the headquarters team, volunteer leaders, and worldwide members to strengthen SIOR’s value and ensure the organization continues to set the standard for excellence in commercial real estate.”
David was selected following a comprehensive national search conducted by an SIOR CEO Search Committee co-chaired by Mike Ohmes, Immediate Past President of SIOR, and Scott Savacool, Treasurer of SIOR.






