Where are we with the implementation of the EU Waste Laws? The perspective of sustainable SMEs. In: workshop of the European Parliament on the EU waste laws implementation hosted by MEP Frank Bogovič (Intergroup on ‘Climate Change, Biodiversity and Sustainable Development’) and the E.E.B., April 15, 2021

Circularity Check Webinar, 18 November 2020

Circular Future presentation on circular innovation, technology and sectors, May 2018 (adapted from earlier in-house presentation)

Introduction for Ecopreneur at Ecovadis Annual Conference in Paris, 10-11 April 2018

Panelist in final plenary session of SusEcon Conference in Berlin, 26 September 2017

Presentation: What circular economy means for European businesses, Circular Hungary Conference, 2 June 2017; also facilitated a CIRCO mini-workshop on Circular design with Jeroen Hinfelaar (Nuovalente). See here for a photo impression

Live video registration: Presentation “Challenges of the Circular Journey” at the 2nd Circular Change Conference, Slovenia,12 May 2017

Presentation: Cohesion policy & the Circular Economy, Stakeholder meeting of the REGI Working group of the European Greens/EFA, Brussels (20 November 2017)

Panelist in EESC/European Commission Stakeholder Platform Launch meeting, Brussels, 10 March 2017

Workshop on Circular Economy with Ecopreneur.eun director Juliane Reiber, EU Greens Ideas Lab, Brussels, February 2017

Live video registration of participation from the audience (at 40”) in meeting on Ecodesign by the Alliance for Circular Economy Solutions (ACES), of which De Groene Zaak is a member, Brussels, 9 November 2016

Keynote Presentation “Circular Business Models” on Innovating in the Circular Economy at the SUSTAINABLE INNOVATION 2016 Conference ‘Circular Economy’ Innovation & Design in Epsom, UK, 8 November 2016

Presentation “Circular Tourism”, at the International Conference on Green and Accessible Tourism, Split, Croatia, 3-4- November 2016

Meeting summary by the EEAC Network and the Dutch Council for the Environment and Infrastructure (Raad voor de Leefomgeving en Infrastructuur, Rli) of their meeting “Circular economy: from wish to practice”, Circular economy working group, Brussels, including contributions of Marjolein Demmers and Arthur ten Wolde (13 September 2016)

Comments on behalf of and De Groene Zaak in response to EU DG Environment Daniel Calleja during a European Parliament SME Intergroup breakfast meeting hosted by and MEP Reinhard Bütikofer, Brussels, 20 April 2016

Panel discussion and presentation for De Groene Zaak and at the POLFREE DYNAMIX conference in Brussels, 16 February 2016

Presentation for in the European Parliament on December 2, 2015

Panel discussion for De Groene Zaak with Michael Braungart, Stacey Davidson (REDISA), Andy Ridley (Circle Economy) and Martin Stuchtey (McKinsey, moderator) at the Global Economic Symposium 2015 in Kiel, Germany, 13 October 2015

Presentation on behalf of Springtij on the outcome of the Springtij 2015 track on Resources at the World Resources Forum 2015 in Davos, 12 October 2015

Panel discussion on behalf of De Groene Zaak at the International Ecological Forum in Kolobrzeg, Poland, with panellists including the Polish Undersecretary of State for the Environment Janusz Ostapiuk and Piotr Barczak (EEB)

Column on behalf of Springtij about the outcome of the Springtij 2015 circular economy track , delivered as dinner speech on Terschelling on September 26, 2015 (also in Dutch)

Presentation on circular economy policy for De Groene Zaak at Springtij 2015:

Presentation for De Groene Zaak of Governments Go Circular, Global Scan of Best Practices in panel discussion at the European Circular Economy Conference, Brussels, 5 March 2015

Stand presentation on circular economy policy for De Groene Zaak at the European Commission CSR Multistakeholder Forum, Brussels, 3-4 Febrary 2015

New concepts towards zero waste: From a Circular Plastics Index to a Precycling Premium, Arthur ten Wolde, IMSA Amsterdam and James Greyson, BlindSpot Think Tank, Lecture at the Green Week on the invitation of the European Commission, Brussels, 4 June 2014

How to prevent plastic from going into the sea. Plastic Marine Litter: One big market failure, Arthur ten Wolde, keynote speaker on the European Commission Conference on Plastic Waste and the Circular Economy in Brussels, 30 September 2013, concerning the outcome of the study “Plastic Marine Litter: One Big Market Failure”. The conference was opened by Commissioner for the Environment Janez Potočnik

OpenMic Webinar “System change is not hard to do, just hard to see” by BlindSpot Think Tank at the ThinkDif Disruptive Innovation Festival run by Ellen MacArthur Foundation, with IMSA as session moderator, 24 October, 2014