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Nebula BG

ABOUT US

THE ECOSYSTEM

What does mission-driven deep tech really need? Integrity and courage - and it is precisely these two values that unite us and guide our actions. The transfer of know-how to other specialist disciplines always leads to a lot of ahas! And surprising, completely unexpected solutions.

 

That's why we bring experienced entrepreneurs, excellent scientists and leading industry experts together to design regenerative businesses together with research institutions, large companies and start-ups.

 

Because we know what it means to start a tech company.

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FACTS & FIGURES

 

Together we have developed and supported several hundred startups,

50+ years experience in business design and venture building,

contributed to €250m+ financing exposure in investment decision processes,

developed dozens of intrapreneurship teams,

more than 3 decades of experience as entrepreneurs with our own companies,

15+ years of experience in running startup & intrapreneurship programs,

25+ years experience in adult learning design,

10+ years in the impact investing network and

co-developed the German DIN Specification for sustainability assessment of startups.

 
 
 

Julia has more than 25 years of experience as executive in an e-commerce start-up, at a university and in DAX 30 corporates. Her expertise combines mobility tech know-how and a broad, cross-disciplinary marketing perspective with hands-on entrepreneurial skills. She implemented her first startup program in 2009 under the patronage of Nobel Peace Prize laureate Muhammad Yunnus. Most recently she founded the Un-Written Book Club driving transdisciplinary insights for leaders across science, business, and politics. She regularly publishes on deep tech venture building.

Co-Founder

Julia Holze

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Christian has been an entrepreneur for more than 25 years and has successfully launched several of his own tech startups. His heart beats for impact-driven high-tech product development and sustainable entrepreneurial action. Within the last 10 years he has been advising start-ups and start-up programs nationally and internationally in the areas of business model development, product development, public and private financing and is a member of the jury in start-up competitions several times a year.

Co-Founder

Christian Schellenberger

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Anna was on stage and in front of the camera for 15 years before she founded the first cooperative acting agency on the European mainland out of frustration about what she should NOT DO. Now she trains tricks and tips for the stage and teaches acting and performing techniques for successful presentations and keynotes online, offline​ and hybrid. Executives from international tech companies such as Google, YouTube and Volkswagen rely on her training and teaching skills, which are based on her constant personal development in the field of adult learning.

Advisor - Pitch Performance

Anna Momber

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Mahir is a seasoned operator-investor in the foundational infrastructure of the next decade—from AI and compute to industrial and financial transformation. His career began at Oracle, leading European business development, before moving to Google where he spearheaded large-scale strategic partnerships for global technology access—and ultimately spent 16 years including at Alphabet's X (The Moonshot Factory), operating at the intersection of radical innovation and commercial viability. He is a dedicated advocate for DEI within the investment community.

Advisor - Venture Capital

Mahir Sahin

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Linda is a researcher and consultant with over 15 years of expertise in sustainable entrepreneurship and finance. After a decade at a non-profit think-tank, she now runs her own consultancy specialising in independent scientific research and public funding for sustainable innovation projects and start-ups – having raised millions for various organisations, developed concepts for new funding programmes, published extensively on the topic and acted as an expert evaluating EU project proposals for Horizon 2020 and Horizon Europe.

Advisor - Impact Intelligence

Linda Bergset

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Müslüm is a C-level executive and advisory board chairman with over 30 years of experience at global corporations, where he led international teams, operations, and complex projects in the mobility sector. His expertise in business development positions him as a strategic advisor who supports impactful ventures in scaling operational and organizational complexity. Drawing from his experience with corporate structures and cross-border collaboration, he helps startups bridge the gap between innovation and industrialization, enabling the integration of advanced tech solutions.

Advisor - Industrialisation

Müslüm Yakisan

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Katharina is a communications strategist and MIT-trained systems thinker who has led high-stakes narratives in some of the most complex environments imaginable having advised across the private sector, nonprofits, and scientific institutions. Her work includes serving as Comms Manager for MOSAiC — the largest Arctic research expedition in history — and as Head of Comms at Dr. Eckart von Hirschhausen's foundation for planetary health. An award-winning, internationally published author, she helps startups turn complex missions into stories that move people to act.

Advisor - Communications

Dr. Katharina Weiss-Tuider

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Raphael is an urban mobility & rail transportation expert with more than a decade of top-tier international industry, tech and consulting experience. He has lived in 8 countries, is fluent in 5 languages and is a citizen of two nations. His professional experience spans strategy, business & product development & commercial positions in industry and advisory to rail operators, infrastructure managers, OEM's, transportation authorities & investors. He is a mechanical engineer by training (France & Brazil) and a strategist at heart.

Advisor - Business Design

Raphael Santos Cavalcanti

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