Please note that the names in bold are country representatives
| Organisation | Name | Country |
| KBVÖ Kompost & Biogas Verband Österreich www.kompost-biogas.info |
Mr Horst Müller | Austria |
| VLACO - Flemish Compost Organisation www.vlaco.be |
Ms Kristel Vandenbroek | Belgium |
| Croatian Compost Plant Associationwww.kompost.hr | Mr Marko List |
Croatia |
| Cyprus University of Technology, Dept. of Agricultural Science, Biotechnology and Food Sciences www.cut.ac.cy |
Mr Dimitris Tsaltas | Cyprus |
| Premier Shukuroglou Cyprus LtD www.premier.com/cy |
Mr Eric Shukuroglou | Cyprus |
| CZ Biom www.czbiom.cz |
Mr Jan Habart | Czech Republic |
| Genanvend Biomasse - danish biomass Recycling Association www.genanvendbiomasse.dk |
Ms Julie Lykke Jacobsen | Denmark |
| Solum Group www.solum.com |
Mr Morten Broegger | Denmark |
| Estonian University of Life Sciences Department of Water Management Institute of Forestry and Rural Engineering mi.emu.ee |
Mr Mait Kriipsalu | Estonia |
| Finnish Biocycle and Biogas Association biokierto.fi |
Ms Anna Virolainen Mr Christoph Gareis |
Finland |
| Hantsch SA www.hantsch.fr |
Mr Didier Hantsch | France |
| INRAE Research Unit OPAALE www.inrae.fr |
Ms Anne Tremier | France |
| RÉSEAU COMPOST PLUS www.compostplus.org |
Ms Karine Claireaux Ms Mathilde Borne |
France |
| SYPREA www.syprea.org |
Ms Philippine Maronne | France |
| VoxGaia www.voxgaia.fr |
Ms Pascale Chenon | France |
| BASF SE - Performance Polymers www.basf.com |
Mr Afsaneh Nabifar | Germany |
| BGK - German Compost Quality Assurance Organisation www.kompost.de |
Ms Irmgard Leifert Mr David Wilken |
Germany |
| BTA www.bta-international.de |
Mr Stephan Schulte | Germany |
| Fachverband Biogas www.biogas.org |
Mr Mathias Hartel | Germany |
| GKRS - Gütegemeinschaft Kompost Region Süd e.V. www.gkrs.online |
Mrs. Claudia Weiermüller | Germany |
| AWN GmbH Biomassezentrum www.awn-online.de |
Mr Harald Schaefer | Germany |
| RETERRA Service GmbH www.reterra.de |
Ms Barbara Juncker | Germany |
| Hamburg University of Technology; Institute of Waste Water Managment & Water Protection BIOCONVERSION & EMISSION CONTROL GROUP (BIEM) www.eseia.eu |
Ms Ina Körner | Germany |
| VHE Verband der Humus- und Erdenwirtschaft e. V. www.vhe.de |
Mr Michael Schneider | Germany |
| VQSD Verband zur Qualitätssicherung von Düngung und Substraten e.V. www.vqsd.de |
Mr Andreas Schuch | Germany |
| W.L. GORE & Associates GmbH www.gore.com |
Mr Thomas Terpetschnig | Germany |
| Deutsche Gesellschaft für Abfallwirtschaft e.V. www.dgaw.de |
Isabelle Henkel | Germany |
| N3 Nachhaltigkeitsberatung www.N-hoch-drei.de |
Mr Henning Friege | Germany |
| Gütegemeinschaft Kompost Region Bayern e.V. www.rgk-bayern.de |
Mr Rüdiger Weiß | Germany |
| Compost Hellas www.compost.gr |
Ms Katerina Xenopolou | Greece |
| Biosolids S.A. www.biosolids.gr |
Mr Athanasios Savvakis | Greece |
| ASSEA BIOENERGY www.assea.gr/en/ |
Ms. Apostolia Tsampouniari | Greece |
| Hungarian Compost Quality Assurance Association / University of Gödöllö www.komposzt.hu |
Mr Laszlo Alexa | Hungary |
| Cré The Composting Association of Ireland www.cre.ie |
Mr Ben Martin Mr Tony Breton |
Ireland |
| ARS AMBIENTE SRL www.arsambiente.it |
Mr Michele Giavini | Italy |
| Biofactory spa (Berco SRL) www.berco.org |
Mr Flavio Bizzoni | Italy |
| Integrated Waste Management Research Group Scuola Agraria del Parco di Monza www.monzaflora.it |
Mr Enzo Favoino | Italy |
| Italian Compost Consortium CIC www.compost.it www.compostabile.com |
Mr Massimo Centemero | Italy |
| NOVAMONT SPA www.novamont.com |
Mr Christian Garaffa | Italy |
| SUMUS ITALIA SRL www.sumusitalia.it |
Mr Carlo Lusi | Italy |
| Società Agricola Agrisolar SRL | Mr Andrea Ramazzotto | Italy |
| Società Agricola Biogreen SRL | Mr Leonardo Tresoldi | Italy |
| Società Agricola Frassine SRL | Mr Massimo Zanuso | Italy |
| Alma Mater Studiorum University of Bologna, Dept. of Agriculture and Food Sciences https://distal.unibo.it/en/index.html |
Mr Claudio Ciavatta | Italy |
| BVOR - Dutch Association of Biowaste Processors www.bvor.nl |
Mr Arjen Brinkmann | Netherlands |
| Dutch Waste Management Association www.verenigingafvalbedrijven.nl www.dwma.eu |
Mr Unico Vankooten Ms Jennifer Kosterbos |
Netherlands |
| Elsinga policyplanning and innovation www.policyplanning.eu |
Mr Jouke Elsinga | Netherlands |
| Avfall Norge - Waste Management Norway www.avfallnorge.no |
Mr Jens Maage |
Norway |
| Grønn Vekst AS gronnvekst.no |
Mr Bernd Keller Ms Geir Lie |
Norway |
| GWDA Spólka Wodno Sciekowa Sp.Zoo www.gwda.pl |
Mr Tomasz Wojciechowski | Poland |
| Mikrobiotech www.mikrobiotech.pl |
Mr Stanislaw Kolbusz |
Poland |
| Polish Chamber of Waste Management (PIGO) www.pigo.org.pl |
Mr Dariusz Matlak | Poland |
| Environmental Engineering Department/ Fac. of Sci. and Techn./ New University of Lisbon www.fct.unl.ptn |
Ms Ana Silveira | Portugal |
| LIPOR www.lipor.pt |
Ms Susana Lopes | Portugal |
| MUSAMI - Operações Municipais do Ambiente www.musami.pt |
Mr Carlos Botelho | Portugal |
| Valosur http://www.valorsul.pt |
Ms Assunção Branco | Portugal |
| Asociatia Romana a Compostului - Romanian Compost Association www.asociatiacompostului.ro |
Ms Cristina Feodorov | Romania |
| Asociatia Tehnopol Galati | Mr Ionut Mocanu | Romania |
| Eko servis | Mr Vojin Djurdjevic | Serbia |
| Zdroje Zeme, a.s. | Mr Miroslav Marynčák | Slovakia |
| Ministry for the Environment and Spatial planning www.mop.gov.si |
Mr Andrej Pristovnik |
Slovenia |
| Ategrus www.ategrus.org |
Mr Rafael Apraiz Egana | Spain |
| Agencia de Residus de Catalunya www.arc-cat.net |
Mr Francesc Giró i Fontanals | Spain |
| REC - Red Espanola de Compostaje www.recompostaje.com |
Ms Pilar Bernal | Spain |
| Avfall Sverige - Waste Management Sweden www.avfallsverige.se |
Ms Angelika Blom |
Sweden |
| Umweko GmbH Umwelt und Kompostberatung www.kompost.ch www.kschleiss.ch |
Mr Konrad Schleiss | Switzerland |
| Carbon Clarity www.carbon-clarity.com |
Ms Jane Gilbert | UK |