It’s time for the 12th international GO Group workshop, this time in Warsaw, Poland.
Once more we will be talking about green issues, sustainability and climate action for festivals and other live events. We kindly invite everyone interested in greener events to this two-day seminar on April 13 and 14, 2026, at another special place in the European festival landscape: Warsaw, home of Alter Art. The famous Polish promoter, responsible for festivals like Open’er and Orange Warsaw, kindly has been helping us set up the workshop.
The 12th international GO Group workshop will take place in Warsaw’s Museum of Modern Art and deal with what is needed to help festivals in all of Europe become sustainable and circular.
“The Green Changeover”
That’s our motto for 2026. Join us for the green transition from different perspectives – outside-in, inside-out, and forward! In two full days we will bring in perspectives from outside the festival organization, while also creating space for participants to nerd out. CO₂ accounting, certification schemes, production workflows, data collection, and the practical realities of implementation are some areas that we will dive into.
We also want to look forward. The green festival world is constantly in transition, and we will explore what comes next through a couple of workshops designed to spark ideas, motivation, and a shared vision of a greener future.
This is for everyone who cares about greener festivals – whether you organize them, work with them, supply them, or simply want to help move the sector forward.
Date & venue
Date: April 13 and 14, 2026
Venue: Museum of Modern Art (MSN), Marszałkowska 103, 00-110 Warsaw, Poland. The museum presents the achievements and transformations of Polish art of the 20th and 21st centuries in an international context. Besides building its art collection, it presents significant recent phenomena in the field of visual arts, film, theater and music, and conducts educational and research activities. The iconic building, whose construction was only finished in 2024, was designed by Thomas Phifer and Partners based in New York.
Ticket prices & discounts
As always, the workshop is open to non-members, too, and there is a discount for YOUROPE members.
Regular ticket price: €150 (630 PLN)
YOUROPE members ticket price: €75 (315 PLN) – if you think you are entitled to this discount, please reach out to us:
Please note that due to technical reasons, prices will be charged in PLN.
We recommend staying at the Novotel Warsaw Center. It is only a 10-minute walk or 7-minute tram ride away from the Museum of Modern Art. Our team and speakers will be staying there, too.
Speakers
Confirmed speakers so far (sorted alphabetically) – more to come:
Ákos Dominus | Sziget Festival (HU)
Andreas Magnusson | LiveGreen Festivals & Academy (SE)
Claire O’Neill | A Greener Future (UK)
Daniel Barrera Madsen | Vegetarisk (DK)
Daniele Murgia | Future of Festivals (DE)
Dóra Diószeghy | Sziget Festival (HU)
Hendryk Martin | Bonoer & The Wow (DE)
Holger Jan Schmidt | YOUROPE & GO Group (DE)
Insa Trede | Wacken Open Air (DE)
Jan Halfar | Štěrkovna Open Music (CZ)
Katharina Weber | YOUROPE & GO Group (DE)
Linnea Vågen Svensson | GO Group & YOUROPE (NO)
Marie Rosted Furseth | Øyafestivalen (NO)
Martin Gustafsson | LiveGreen Festivals & Academy (SE)
Matěj Ostárek | Štěrkovna Open Music (CZ)
Mikołaj Ziółkowski | Alter Art & YOUROPE Board (PL)
Ondrej Poláček | Pohoda Festival (SK)
Rob van Wegen | ESNS (NL)
Saku Juvonen | Blockfest (FI)
Vlad Yaremchuk | Ukrainian Association of Music Events & Music Saves Ukraine (UA)
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Ákos Dominus is an independent cultural industry professional with more than 20 years of experience in project development and management. He is an expert on social and environmental measures in the cultural sector and a passionate mountain biker. As the Sustainability Manager of Sziget Festival since 2003, he is responsible for the environmental measures of the festival. His focus is enhancing circularity while integrating actions into a complex audience experience approach.
Andreas Magnusson is the Partnership- & Engagement Manager at LiveGreen Festivals & Academy, one of Sweden’s leading pioneers within festival driven transformation, artistic- and fan activism. He supports cultural change makers eager to contribute to a more social and ecologically just world and pushes them for change. He was central to the Fridays For Future-movement between 2018 and 2024. Andreas is a recipient of the HM King Carl XVI foundation Young Leadership award for his work in bringing the climate crisis to the agenda in Sweden.
CEO and Co Founder of international not for profit AGF – A Greener Future (formerly A Greener Festival) and Co Founder of green energy specialists, Grid Faeries. Claire O’Neill is a pioneer in sustainability for the live sector, establishing AGF following her research in 2005. Since then she has worked with the world’s leading events and venues such as HM the Queens Platinum Jubilee Pageant, Glastonbury Festival, The O2, Wembley, BST Hyde Park, UEFA Champions League, ASM Global, AEG, HM the Queens Funeral, and artists such as Bring Me The Horizon and Massive Attack. Claire organises the Green Events & Innovations Conference (GEI) & consults as sustainability expert to industry bodies throughout Europe. Trail blazing best practice including the world’s first Greener Festival Certification, the Green Artist rider with Wasserman Agency now adopted by major artists globally and sparking the Greener Tour division, plus the Greener Arena and Venue Certification. Grid Faeries emerged in 2022 in collaboration with Dale Vince of Ecotricity, to help events to get off diesel by connecting to grid, building new renewables, and providing the world’s first 3MWh battery to be used on a festival. Claire is on the Board of charities In Place of War and Naam Festival, Kenya. Additionally, Claire is an aerialist performing globally from the 2012 Olympic Opening Ceremony as Mary Poppins, to Arcadia Spectacular’s iconic Spider shows worldwide.
Food & Behavior Consultant at the Danish Center for a Plant-Based & Organic Future. Daniel has a university degree in Sport & Event Management and has worked with food and communication the last 5 years. The last 3 years he has had a strong focus on food at festivals and in amusement parks, where he has shared his knowledge with more than 50 festivals and amusement parks in Denmark. He has worked closely with major music festivals in Denmark such as Roskilde Festival, NorthSide and Jelling Musik Festival. He also has experience from working with amusement parks such as Tivoli in Copenhagen and LEGO House in Billund.
Daniele Murgia is a sustainability expert for events, festivals, and cultural productions, with over eight years of consulting experience and more than a decade in the corporate sector at Roche Diagnostics. As a partner at 2bdifferent and an ISO 20121 internal auditor and consultant, he helps turn sustainability into practical, measurable processes for the live industry. With over 25 years of experience as an event organizer, DJ, producer, and part of the electronic music scene, he brings real festival DNA into his work. Since March 2025, he has been leading speaker management at Future of Festivals, shaping conversations, connecting people, and driving the future of the festival landscape.
Sustainability Coordinator at Sziget Festival, Project Coordinator for Subjective Values Foundation working on projects on environmental and social sustainability. Background in human ecology, environmental policy and international relations, research focus was on the sustainability of the fashion and textile industry.
Hendryk is the founder of Bonoer, a culture marketing agency specialized in building meaningful connections between brands and culture. His work is guided by Green Sponsoring – a sustainability-led approach to brand activation designed to be future-proof and impact-driven. Since May 2025, Bonoer has been part of The Wow agency group, where Hendryk is responsible for music, culture, and sustainability.
Holger is one of Europe’s leading networkers in the music festival branch. Among various topics he has a special focus on sustainability and social responsibility for festivals and events. Holger is General Secretary of YOUROPE – the European Festival Association, the most important representation of European popular music festivals with more than 100 members from 25 European countries. He also leads the pan-European think-tank GO Group (Green Operations Europe) that focuses on sustainability related and environmental issues at events. Holger looks back at 30 years working at festivals including the legendary RhEINKULTUR and Bizarre Festival. Today Holger is a booker, consultant and part of the management teams DAS FEST in Karlsruhe. Holger is contributing his expertise to various European funded projects such as YOUROPE’s “3F – Future-Fit Festivals” (Creative Europe). He is co-author of the book “stay SOUND & CHECK yourself” dealing with stress and mental health in the live music, festival and event industry and co-wrote the “Sounds For Nature guidelines for environmentally friendly events”.
Insa Trede is Festival Production & Sustainability Manager at Wacken Open Air and is responsible for the management and ongoing development of sustainability initiatives at the festival. For nearly five years, she has been working on projects that conserve resources and reduce environmental impact. In addition to sustainability topics, she is closely involved in the organisational and logistical aspects of festival production — often in areas that align well with sustainability goals.
Jan Halfar is the sustainability lead of the Štěrkovna Open Music festival and an academic researcher at the Department of Environmental Engineering at VŠB – Technical University of Ostrava. At the festival, he focuses on sustainability, particularly on developing the concept of “Sustainable Fun.” Thanks to this approach, the festival has become a leading example of sustainable cultural events in the Czech Republic and has also gained strong recognition across Europe. In his academic work, he primarily researches microplastics in the environment and contributes to the university’s involvement in the U!REKA European University Alliance.
Katharina Weber is lead project manager at Bonn Promotion Department (BN*PD) and is as such also heavily involved in YOUROPE – The European Festival Association. In the various projects the association is a part of, Katharina works on creating tools and guidelines that help festivals become fit for the future. Her most recent key topics are event sustainability and DEI at festivals. She is part of the pan-European sustainability think tank GO Group (Green operations Europe) and founding member of YOUROPE’s WIRE (Wellbeing, Inclusion, Responsibility, Equity) Group. At German festival Das Fest, Katharina is part of the awareness management team. Before joining the music industry, she had worked as a journalist at newspapers and radio stations in Germany for seven years. She received degrees in English Studies (BA) and Applied Linguistics (MA) from the University of Bonn, Germany.
Linnéa is the founder of Greener Events, a leading consultancy specializing in sustainability for the cultural and event sectors. She has nearly 30 years of experience in the live entertainment industry, advising festivals, sports events, and cultural institutions on environmental strategies. She has led major initiatives such as the European Green Roadmap 2030, the Nordic Green Roadmap for Cultural Institutions and has served as sustainability lead for Rosendal Garden Party. She is also a co-founder of GO Group.
With over 15 years of experience working at various festivals, Marie brings a solid holistic understanding of the festival industry. She has worked with sustainability in festivals for several years, as festival director for the music festival Utkant and the family festival Passion for Ocean. In 2024, she stepped into the role of Head of Sustainability at Øyafestivalen – a festival she has been involved with since 2008. Øyafestivalen is known as a frontrunner in festival sustainability and has won several awards, including the International Greener Festival Award twice. Marie’s approach to sustainability is practical and structured to detail, but also focusing on the bigger picture.
Martin Gustafsson brings over 15 years of experience in Sweden’s music and live entertainment industry. He played his first professional DJ gig in Malmö in 2008, and co-founded the rock club Beggars Banquet at Debaser in 2011 – creating one of the city’s leading venues at the time. Since then, it’s been a wild ride: 300+ DJ gigs, countless corporate events, rock clubs, and commercial radio projects – followed in recent years by a focus on PR, marketing, and artist management through his own company, Earn The Crown. Alongside this, Martin now serves as PR and Marketing Strategist at LiveGreen Festivals & Academy, where he works on the Erasmus+ project EGG – an upcoming app designed to help event organisers, concert promoters, and party planners worldwide create more ecologically, economically, and socially sustainable events.
Matěj Ostárek is the main organiser of the music festival Štěrkovna Open Music, held in the unique surroundings of Lake Hlučín and ranked among the top 10 festivals in the Czech Republic. He is primarily responsible for festival operations, technical infrastructure, financial management, and partnerships. He has been actively working on implementing sustainability principles into festival operations, aiming to balance a high-quality visitor experience with economic sustainability and environmental responsibility. In 2024, he completed the Sustainability Assessor Training by A Greener Future.
Mikolaj Ziółkowski is founder and director of Alter Art, the promoter of Poland’s biggest festival Open’er.
Ondrej has been working at various festivals since high school – as a staff coordinator, volunteer coordinator, production assistant, and even as a fence builder. Since 2020, he has been a production manager at the Pohoda Festival, responsible for the festival area, buildings, infrastructure, logistics, and services. Pohoda is known for its responsible mindset, with sustainability as an integral part of it. Ondrej has experienced the challenges of the green transition in a range that only festival production can provide.
„Festivals have the power to influence their audience, they should take the advantage for creating a better future”.
As a former festival producer, Rob has a very practical approach with sustainability. While working for 20 years in the festival industry he has shifted completely to sustainability over the last years. In this time, Rob has worked at Innofest for 5 years, testing sustainable innovations at festivals. He is also the sustainability coordinator for ESNS for the last six years. His focus was making sustainability part of the DNA of ESNS and launching and scaling programmes to help the event and music sector become more sustainable. Rob created a roadmap canvas to help festivals put their sustainable ambitions into a plan for their future. He personally guided over 20 festivals with the roadmap. ESNS is part of the Green Deal Circular Festivals.
Programming director of the biggest music festival in Ukraine – Atlas Festival (600k+ visitors in 2021). Partnership manager at the Music Saves UA initiative established by the Ukrainian Association of Music Events (UAME). Its main goal is to provide humanitarian help to civilians in Ukraine – evacuation, humanitarian supplies, heating/charging points and rebuilding. We harness the power of music and unity by collaborating with festivals, artists and music organizations worldwide. We help book Ukrainian artists, build special locations at festivals, create fundraising campaigns and find other ways to raise money and awareness via the world of music in order to save lives.
Schedule
Day 1 – Monday, April 13, 2026
09:00 Doors open
Arrival, registration, and informal networking before the program begins.
09:30 Opening
To Kick off the 12th international workshop in the 15th year of GO Group, we will find out who’s in the room and enjoy some words of welcome from our hosts Holger Jan Schmidt (General Secretary of YOUROPE & Co-Founder of GO Group) and Mikołaj Ziółkowski (Founder & CEO of Alter Art and board member of YOUROPE).
10:15 The Green Changeover
The challenges of sustainability in festival production today. Not (only) from the perspective of green festival representatives, but also with an overall perspective looking into general festival production.
Speakers: Rob van Wegen (ESNS; moderator), Insa Trede (Wacken Open Air), Ondrej Poláček (Pohoda Festival), Saku Juvonen (Blockfest)
11:15 Breather
Short break, refill and informal conversations.
11:30 Mhhh, Delicious! Rethinking the Festival Menu
How can plant-based food strategies help you reduce your festival’s CO2 footprint while enriching the food experience for the audience with some mouth-watering meat-free options?
Speaker: Daniel Barrera Madsen (Food & Behavior Consultant, Vegetarisk)
12:30 Lunch Break
…and networking opportunity.
13:45 Can Sponsors Help Green Your Event?
We will hear about two cases when working with outside sponsors has opened new doors, delivered more opportunities, delivered important knowledge, and led to revenue for projects. Lessons and best practice on how to successfully unite sponsoring and sustainability.
Speakers: Holger Jan Schmidt (moderator), Henryk Martin (Founder of Bonoer), Rob van Wegen (Sustainability expert, Construction Site of the Future)
14:30 The European Green Festival Roadmap 2030
Once more we will highlight YOUROPE’s much acclaimed European Green Festival Roadmap 2030 and show you how to handle it. We will guide you through the structure and measures of this guide, which is based on the aims of the European Green Deal and linked to the UN Sustainable development Goals (SDG). We present it in a perspective-driven session exploring challenges and opportunities in the field.
An added value for our Polish participants: a Polish translation of the roadmap has just been published with the kind support of Narodowym Centrum Kultury (National Center for Culture in Poland).
Moderator: Linnéa Vågen Svensson (Greener Events)
15:30 Breather
Let’s have a breath of air before the afternoon program continues.
15:45 The Green Group Workout
Are you feeling hopeful today? Even as climate change slips off political agendas and the race for fossil fuels dominates the headlines? In times when political movements seem intent on turning back the clock, how do we sustain momentum for the green transformation? What becomes of the incredible progress we’ve made and the future we once envisioned so clearly? Are we alone in this? Let’s explore this together. In this interactive group workshop, we will reflect on our shared motivation and sources of inspiration. Together, we’ll uncover what keeps the green movement alive – and why there is no turning back.
We’ll begin with an intro presentation on the remarkable “The Show Must Go On” report, examining the current state of the UK industry – presented by Claire O’Neill (AGF) on behalf of the project team – before we move into our Green Group Workout for the exchange of experiences and a collaborative co-creation of ideas to strengthen our future-fitness.
Speakers: Claire O’Neill (CEO, A Greener Future; introduction); Linnéa Vågen Svenssonand Holger Jan Schmidt will facilitate the workshop
17:45 Festivals for Ukraine
Music Saves Ukraine has developed a microgrants donation scheme to support Ukrainian music schools in Ukraine that have been affected by the war. Learn how it works and how you can support it.
Speaker: Vlad Yaremchuk (Ukrainian Association of Music Events & Music Saves Ukraine)
18:00 Evening Break
Time to reset for everyone on their own before the evening program.
19:30 Dinner at Manna 2.0
The (not so) secret star of every GO Group workshop: the Monday night GO Group dinner. Always at a special place recommended by our hosts we invite our participants to follow up the day’s hot topics, get to know each other more, start a friendship… everything can happen here! This time, we will eat at Manna 2, a vegan restaurant serving unique plant-based cuisine, an interesting selection of organic and vegan wines, craft beers as well as special teas.
Day 2, Tuesday, April 14
09:00 Opening of Day 2
Welcome and more about the day ahead.
09:30 GO Award Winner 2025: Štěrkovna Open Music
The winner of the Green Operations Award at the European Festival Awards 2025, Štěrkovna Open Music, will grant us a look into their sustainability operation with a focus on implementation and key learnings.
Speakers: Matěj Ostárek (Director, Štěrkovna Open Music) & Jan Halfar (Sustainability coordinator, Štěrkovna Open Music & Technical University of Ostrava)
10:15 What You Should Know about Sustainable Merchandise
What are the challenges of textile production when you want your merchandise to be sustainable, social and fair? An overview of the domain’s challenges. Plus: experiences from Sziget Festival of working with sustainable merch.
Speakers: Ákos Dominus (Sustainability manager, Sziget Festival) & Dóra Diószeghy (Sustainability coordinator, Sziget Festival)
10:45 Breather
Yes, it is time to take a breath.
11:00 Opportunities with Sustainability Certifications
What’s new about the sustainable festivals certification of A Greener Future (AGF)? What are the main challenges and opportunities when implementing sustainability management systems?
Speakers: Linnéa Vågen Svensson (moderator), Marie RostedFurseth (Head of sustainability, Øyafestivalen), Claire O’Neill (Founder & CEO, A Greener Future) + t.b.a.
11:30 Getting Nerdy: Diving into CO2-Calculations
Why do we measure CO2 emissions at all? What is the latest from harmonizing the work on CO2-calculations, and how can the sector move towards better collaboration? What are the findings from the Green Deal Circular Festivals project? How can you calculate your audience travel? Questions to which our wonderful panelists will offer their solutions as answers.
Speakers: Linnéa Vågen Svensson (moderator), Rob van Wegen (Green Deal Circular Festivals), Marie Rosted Furseth (Head of sustainability, Øyafestivalen), Claire O’Neill (Founder & CEO, A Greener Future)
12:30 Lunch
13:30 The Audience as Activists
LiveGreen Festivals & Academy is one of Sweden’s leading pioneers within festival-driven transformation, artistic and fan activism. In Warsaw, LiveGreen will follow up on a conversation started at the GO Group workshop in Roskilde last year – how to engage fans and festival goers in sustainability. In addition we’ll learn more about LiveGreen’s newest project – the app known as “Project EGG” – where event organisers of all kinds get a personal sustainability assistant through this EU wide project.
Speakers: Martin Gustafssonand Andreas Magnusson (both LiveGreen Festivals & Academy, Sweden)
14:15 Breather
One more break for you!
14:30 The First GO Group Workshop Pub Quiz
Did you read the news? Do you know what’s going on in other festival’s sustainability departments? And do you know your sustainability basics? Let’s find out who knows the most (or has the cleverest guesses) and will take home the title of GO Group’s pub quiz champion!
What are your key takeaways from this GO Group workshop? And what are the next steps you want to take at your festival/organization?
16:00 Official Program End
16:15 Come to the Top of Warsaw (optional)
If you have a bit more time before you have to leave Warsaw, come join us for a visit to the Palace of Culture viewing platform (just next door). From there, you have a wonderful view over the city. Free for our workshop participants!
Related Projects
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