Fractional Chief Growth Officer

Based in Lisbon

Based in Lisbon

Brand · Business · Technology

Brand · Business · Technology

Thiemo Gillissen works with founder-led companies to clarify strategy, strengthen leadership, and use AI to turn ambition into growth and transformation.

Thiemo Gillissen works with founder-led companies to clarify strategy, strengthen leadership, and use AI to turn ambition into growth and transformation.

Thiemo Gillissen works with founder-led companies to clarify strategy, strengthen leadership, and use AI to turn ambition into growth and transformation.

Thiemo Gillissen works with founder-led companies to clarify strategy, strengthen leadership, and use AI to turn ambition into growth and transformation.

Thiemo

Thiemo

About

About

About

About

Thiemo brings two decades of experience in building and transforming design-led companies. A Forbes 30 Under 30 honoree, he co-founded Fifteen Seconds, a global community for innovation and creativity, and later led digital business and international expansion at the design and strategy firm moodley.

Known for his clarity, vision, and ability to turn complexity into direction, Thiemo works at the intersection of business, brand, technology, and transformation. He works with founders and teams clarify direction, sharpen their narrative, and build meaningful growth.

Since 2025, Thiemo works with Raphael through Another First Step, an advisory practice helping ambitious owners and teams build, transform, and scale founder-led businesses, with AI as a practical lever for better decisions, smarter operations, and new growth.

Catch him for lunch in Graz, Vienna, or Munich—or join him in his chosen home, Lisbon, for coffee and pastéis de nata.

Thiemo brings two decades of experience in building and transforming design-led companies. A Forbes 30 Under 30 honoree, he co-founded Fifteen Seconds, a global community for innovation and creativity, and later led digital business and international expansion at the design and strategy firm moodley.

Known for his clarity, vision, and ability to turn complexity into direction, Thiemo works at the intersection of business, brand, technology, and transformation. He works with founders and teams clarify direction, sharpen their narrative, and build meaningful growth.

Since 2025, Thiemo works with Raphael through Another First Step, an advisory practice helping ambitious owners and teams build, transform, and scale founder-led businesses, with AI as a practical lever for better decisions, smarter operations, and new growth.

Catch him for lunch in Graz, Vienna, or Munich—or join him in his chosen home, Lisbon, for coffee and pastéis de nata.

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Based in Lisbon.

Working with founder-led companies across Europe.

I’m Thiemo Gillissen, a Fractional Chief Growth Officer with more than 15 years of experience building companies and leading growth across strategy, positioning, technology, AI and M&A. Bring me the growth question that keeps returning to the leadership table.

Fractional capacity. Executive ownership of growth.

Fractional capacity.

Executive ownership of growth.

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