Sebastian Blecke
Chief Operating Officer (COO)
Sebastian Blecke studied civil engineering and industrial engineering at the Beuth University of Applied Sciences in Berlin. After several years in the construction industry, he switched to the real estate sector in 2005, initially as an asset manager at Teesland iOG (now Cromwell Property Group). In 2006, he became branch manager of the Berlin office of GPT Halverton and later Managing Director / COO of their German portfolio. From 2008, he built up asset management at Sirius Facilities, a real estate provider operating throughout Germany, where he was responsible for a portfolio of approx. 1.1 million sqm of commercial space as Head of Asset Management and authorized signatory. In 2011, Blecke became Chief Operating Officer (COO) of GSG Berlin before moving to the nationwide real estate investor Sector Seven Investors GmbH as Managing Director in October 2022. Since February 2024, is Blecke back at GSG Berlin as COO.