Oana Sirbu is a 2025 Millennium Leadership Intensive participant and the chief executive officer at Properful. She is an Eastern European real estate entrepreneur who takes an active interest in the dynamics of the social, economic, and technology trends that define the future of the built environment. Before setting up her real estate investment and management advisory practice, she spent a decade with two of the global leaders in corporate real estate services. More recently, she immersed herself in the proptech ecosystem as an investor and advisor. Sirbu holds an MBA degree from INSEAD; during her studies, she co-led the real estate club and was an exchange student at the Wharton School.