Sylwia has 15 years of experience within international cooperation, having worked with municipal self-government, ministries and the third sector. She has worked for the Swiss, UK and Australian government administrations within international programmes and policy, mainly on the topic of climate change and energy. She cooperates closely with local authorities across Europe, with much focus on promoting other-than-subsidies financing options for local climate action. At Eurocities, Sylwia works on PROSPECT+, which promotes innovative financing instruments for public authorities, and on the European Commission’s Big Buyers for Climate and Environment initiative, designed to help drive market demand for innovative and sustainable products and services in Europe. Since 2020, Sylwia has also supported the European City Facility as Country Expert for Poland. Between 2011-2017, under the Swiss Enlargement Contribution, she supervised a portfolio of projects from the Environment and Infrastructure focus area worth 145 million Euro. Those focused on the introduction of renewable energy, improvement of public transport and removal of hazardous waste, covering approx. 350 municipalities and over 70,000 households in economically underdeveloped regions. She is a member of the Polish Evaluation Society and a former member of the World Economic Forum's Global Shapers programme.

‍