HEIONTEC on "Die Höhle der Löwen"

On October 5, 2026, at 8:15 p.m., HEIONTEC will pitch to the Lions’ team on VOX’s “Die Höhle der Löwen”—and to an audience of millions. It’s no easy task: How do you present years of research and development, an ambitious vision, and the next big steps for a deep-tech startup in just a few minutes?

A lot has happened at HEIONTEC since the recording: The company has continued to advance its development, secured additional funding, and expanded its collaboration with industry and research partners. The focus is on the next step toward industrial application.

Just a few days ago, HEIONTEC was also honored as one of Schleswig-Holstein’s “High Flyers 2026.” The award includes a week-long trip to San Francisco and Silicon Valley in the spring of 2027—an opportunity to introduce HEIONTEC to international companies, investors, and innovation partners.

But first, a very different stage awaits: How will the Lions react to a deep-tech startup that can’t be explained in just a few words—and has big plans for the future?

HEIONTEC on “Die Höhle der Löwen”
October 5, 2026 | 8:15 p.m. | VOX