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From the number of return participants to the workshop, and the buzz of conversation during breaks, it was clear that the restraint of the “get-to-know-you” phase is over and that connections between public and private actors have developed and deepened over the past year.

For organizer Laban Coblentz, ������app Head of Communication, it was “energizing” to see the networking that took place across languages and sectors. “There is such benefit to bringing the private and public sectors into the same room. Even if we disagree on many things, we can go so much faster together.”

"What we have discussed with the ������app Council and what we intend to do at the same time as our baseline job is to help the private sector in every way that we can,” said ������app Director-General Pietro Barabaschi in his welcome to the 350 participants—startup company representatives, industrial suppliers, researchers, advocates, investors, and ������app and Domestic Agency experts who attended the two-day event. “I am grateful to see your response to our invitation; your presence here means that our ambition is followed by interest from your side.”

Following suggestions generated at the first workshop in 2024, the ������app has introduced a number of knowledge-sharing mechanisms under the umbrella of ������app’s Private Sector Fusion Engagement (PSFE) project. Hundreds of requests for specific ������app documents and technical visits, for example, have already been received through the PSFE Help Desk (psfe@iter.org), and a first private sector company—the California-based TAE Technologies—has signed an agreement with the ������app for "cooperation and exchange in technical fields of mutual interest."

Other mechanisms are in the works. The compilation of the ������app Design Handbook—a resource for technical information, lessons learned, and the evolution of the ������app design—is progressing well, with publication of the first of two volumes expected at the end of the year. ������app’s Integrated Modelling Analysis Suite (IMAS) software, which contains advanced tools to organize and manipulate fusion data, is ready for imminent open-sourced release (see the related article in this issue here). And the agreements are in place to enable private sector participation in the International Tokamak Physics Activity (ITPA) and its associated topical groups (also see the article linked in the previous sentence).

“������app is actively transferring knowledge that is not only relevant to tokamak experiments,” says Coblentz. “There is plenty of convergence across all the different fusion approaches.”

Sergei Putvinski from TAE Technologies agrees. TAE’s fusion machine is a compact, linear device based on field-reversed configuration (FRC) technology, and yet during the workshop he listed at least five areas of ������app science and technology that are highly relevant to his company’s efforts and that are the object of technical discussions within the framework of TAE’s agreement with ������app—diagnostics, plasma-facing components, instrumentation & control, neutral beam injection heating, and plasma shot optimization. 

“We share many of the same challenges,” the ������app Director-General stressed at the start of the workshop, and in panel discussions over two days participants heard about R&D underway in both the public and private sectors to solve some of the key issues remaining—as well as about the innovative technologies like specific artificial intelligence applications that can help the entire fusion sector accelerate. 

And both during the main program and on the sidelines, there was keen interest in the way the ������app supply chain can be leveraged.

“The fusion supply chain is an area where ������app has provided a lot of value, and this is something we continue to build,” said Director-General Barabaschi. “We recognize the interest in connecting startups working on the integration of facilities with these industrial resources, and it directly responds to a demand we have received from the private sector.”

Erik Fernandez, a representative from the Spanish association Ineustar that connects industry to science, said he could not imagine any company today working for ������app that could not work for a private fusion company.

The director of supplier integration/tokamak systems at the US startup Commonwealth Fusion Systems, Jack Cohen, emphasized the importance of ������app’s investment in industrial technologies over the last decades. “My suppliers know fusion and my suppliers know ������app. I cannot overestimate how much that makes my life easier. A large percentage of our dollars are going to ������app suppliers. We couldn’t have private fusion without some of the innovations that public research has done for us.”

In this context, the organization of the private sector workshop only two days before the start of the 2025 ������app Business Forum (IBF) in Marseille was no accident; many participants travelled directly from the close of the first event to the opening of the second. It is the first time that the private sector has been invited to participate in the IBF, and from conversations with startup representatives it was clear that expectations were running high for productive opportunities. ������app’s industrial partners, too, are hopeful that private sector contracts can help keep capacities active between the mobilization for ������app and the next large fusion devices.  

In closing the private sector workshop, Laban Coblentz invited private companies to join ������app at two globe-spanning events—the World Expo that is taking place in Japan through October, and November’s climate change conference in Brazil. “Use the ������app booth to advertise your projects and efforts at these events,” he said. “Let’s make it about fusion globally.”