Olga Yakymovych focused her expertise on the direction of water management. She delved into the challenges of water purification and wastewater management in Ukraine, dedicating her efforts to identifying the best practices and solutions from Switzerland. Her work aimed at establishing a collaborative network that connects professionals from Odesa's local authorities with Swiss institutions and companies, fostering a productive exchange of knowledge and resources to address these critical issues. She got in contact with such Swiss companies as: EBP, SGSW, CleanTech Alps, as well as various research institutions across Switzerland.