Working within Colliers since 2006, Oana Stamatin is currently part of the Real Estate Management Services Division of Colliers International, focusing on Green Certification services, as well as Building Surveying and Technical Due Diligence. Oana became LEED AP Building Design and Construction in October 2013, but she has been involved in Green Certifications since October 2012. In 2015, Colliers International received the LEED® Proven Provider™ title, which states the highest standards of quality achieved for LEED certification process. Furthermore, at the beginning of 2016, Oana became BREEAM in Use Auditor, thus covering the most important types of certifications made in Romania. Among the most recent projects for which Oana has managed the green certification process, are: AFI Park 1, 2, and 3, Iulius Mall Iasi, City Gate South Tower etc. having a total portfolio of more than 250,000 green certified sqm.