Home People on the Move Robert G. Thornburgh Takes Office as 2018 President – Elect of The... People on the Move Robert G. Thornburgh Takes Office as 2018 President – Elect of The Society of Industrial and Office Realtors® (SIOR) November 17, 2017 Facebook Twitter WhatsApp Linkedin ReddIt Email WASHINGTON, DC — Robert G. Thornburgh, SIOR, CCIM, CPM, partner and executive vice president of KiThank you for your interest in The Registry. You must Subscribe or Log In to read the rest of this content.