13 April 2026
From Business Founder to GreenTech with Big Vision? with Serial Entrepreneur Christian Vollmann, C1
About this episode
From the Internet World to the Green Revolution
From ringtone king at Jamba to GreenTech visionary: Christian Vollmann is taking on the seemingly impossible with his new company C1 Green Chemicals. The experienced serial entrepreneur aims for nothing less than revolutionizing the shipping and chemical industries – through a completely new type of methanol production.
The Mission: Methanol Without Fossil Raw Materials
What C1 is planning initially sounds like science fiction: The company is developing technology for green methanol production that works completely without fossil fuels. Methanol is a central building block in the chemical industry and is increasingly used as fuel in shipping. Until now, however, it has almost exclusively come from fossil sources.
"We want to establish a green type of methanol production and enable a shift away from fossil materials," Vollmann explains his team's vision. This represents a crucial lever for climate goals: Both shipping and the chemical industry are among the world's largest CO2 emitters.
The Unconventional Path: From Business to DeepTech Founder
Vollmann's career shows how diverse entrepreneurial paths can be. In the early 2000s, he helped shape the German internet scene as co-founder of Jamba – back then with ringtones and premium SMS. Later came other ventures like MyVideo and dating platforms.
Now he's taking the leap into completely new territory: high-tech GreenTech innovation. "How does decades of internet company experience help with implementing a GreenTech company?" is one of the central questions that arises.
Due Diligence as Business Founder in a Science Team
Particularly fascinating is Vollmann's approach as a business founder in a scientifically driven team. Before joining C1, he went through an intensive due diligence process: "How did you analyze your team and test the processes before you founded?"
The challenge lies in understanding the complexity of the technology as a non-scientific founder without becoming an expert yourself. Vollmann had to ask himself: "How deeply must you understand your team's work as a founder?"
The CEO Role in a DeepTech Startup
As CEO of a high-tech startup, Vollmann's main responsibilities differ significantly from those of his previous internet ventures. The central CEO tasks primarily include:
- –Strategic direction and communicating vision
- –Financing and investor relations
- –Team building and developing culture
- –External partnerships and business development
- –Operational leadership and preparing for scaling
For a GreenTech company like C1, additional complexities arise: long development cycles, regulatory hurdles, and the need to convince both scientists and investors.
Challenges and Breaking Points
Vollmann is realistic about the challenges ahead. The biggest breaking points for C1 lie in successfully scaling the technology and achieving market acceptance. External factors like the current market situation, regulation, and competition from established chemical corporations significantly influence success.
"Does the current market situation threaten your work?" is a question all GreenTech startups must currently ask themselves. However, Vollmann remains confident that the long-term trend toward sustainable solutions is irreversible.
Experience as a Success Factor
Despite the technical differences between internet and GreenTech ventures, Vollmann sees clear parallels. Experience in building teams, leading in uncertain situations, and dealing with investors pays off in the new industry as well.
Particularly valuable: composure in dealing with criticism and setbacks. "Jamba and the bad press: How did you handle that?" shows that Vollmann learned early how to deal with public criticism – a skill that benefits every startup founder.
Vision for the Startup Scene
Vollmann brings not only experience but also clear ideas about necessary changes in the startup scene. His contrarian opinions on common practices and his advice that he himself "has trouble following" show the reflection of an experienced entrepreneur.
For the next generation of founders – and his own children – he wishes for certain qualities that go beyond purely entrepreneurial abilities.
Conclusion: Courage for the Big Vision
Christian Vollmann's path from Jamba to C1 shows that founder DNA works across industries. The combination of business experience and the courage to venture into completely new technology fields could be exactly what the GreenTech revolution needs.
Whether C1 will actually revolutionize shipping and chemistry remains to be seen. What's certain: With Vollmann, the company has a CEO who knows how to transform visions into scalable business models.
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