Preparation of Polisan Holding Sustainability Report (2021), Performing sustainability responsibilities within the Holding and group companies,Preparation of Polisan Holding greenhouse gas inventory and water balance for CDP disclosures,Managing sustainability indices including Refinitiv and EcoVadis rating platforms,Monitoring and reporting energy efficiency in accordance with ISO 50001 EnMS,Preparation of executive summaries for top management and investors regarding the sustainability performance.

Management of ISO 14001 EMS and supporting ISO 9001 QMS processes,Establishing sustainability roadmap and fostering sustainability performance of Koçtaş,Managing environmental operations,Implementing, monitoring and reporting Koç Holding OHS and EMS procedure and standards,Ensuring that all activities carried out in accordance with Turkish environmental legislation,Preparation of informative trainings on environmental management system and sustainability.

Supporting Istanbul Airport Climate Change and Adaptation Plan(CCAP) preparation,Preparation of the IGA Sustainability Report (2016),Planning airport solid waste management,Supporting GHG emissions calculation,Monitoring and reporting environmental impacts of airport in accordance with ESIA Report,Establishment of wastewater management system of the airport,Preparation of cover letters for Envision certification,Design of rainwater and deicing fluid recovery systems,Establishment of ISO 14001 EMS for construction processes of airport.