Expert and practitioner in the initiation and implementation of nature conservation measures, in particular the revitalisation and renaturalization of surface waters and the protection of endangered habitats and species. Initiator and leader of projects in the field of water protection, including ecologically oriented flood protection, creation and management of protected areas, as well as innovative and systemic environmental education as a basis for the Green Economy. Expert of the International Observatory for the Rights of Nature (Observatoire international des droits de la nature). Involved in the initiation and implementation of conservation activities and projects at WWF for 25 years. Initially (since 1998) in the Institute of Floodplain Ecology at WWF Germany (WWF Auen Institut) and then – since 2001 – at WWF Poland where he was responsible for long-term action strategy, nature conservation, advocacy and environmental policy. Co-initiator of the coalition “Time for Oder”, the coalition Save the Rivers , and the education and competence development programme “Code For Green”. Currently an independent expert, founder of the Terra consulting company, environmental advisor to the Board of the WWF Poland Foundation and the Social Initiatives Forum Foundation. Long-time representative of NGOs in international and national advisory bodies in the field of water protection and nature conservation, including among others: National Water Management Authority, International Commission for the Protection of the Oder River, Monitoring Committee of the Operational Programme Infrastructure and Environment, Monitoring Committees of Regional Operational Programmes, Regional Nature Conservation Councils. From 2014 to 2018 appointed by the Minister of Environment to the State Council for Environmental Protection. Author of numerous publications on nature conservation and water protection, including: Atlas of the floodplains of the Oder River, manual “Natura 2000 and water management”, concept “Space for the river”. Co-creator of the film “Until the Last Drop,” directed by Ewa Ewart, awarded the 2023 Golden Nymph Award at the Monte Carlo Film Festival and the Green Film Festival Grand Prix.