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13 April 2026

Learnings from 50+ Angel Investments: Red Flags, Entrepreneur Personality Due Diligence & More

About this episode

Florian Huber is not only Business Angel of the Year 2018, but has invested in over 50 startups as an angel investor to date – with a goal of reaching 100 investments total. As a full-time angel investor, he brings a unique perspective that's valuable for both founders and aspiring investors.

From Founder to Full-Time Angel Investor

Florian's path to becoming a full-time angel investor is unusual. While most angels invest on the side, he made the conscious decision to make investing his primary profession. This decision allows him to invest significantly more time in due diligence, mentoring, and understanding market dynamics.

The Challenge of Managing Many Investments

With over 50 investments, Florian faces the challenge of properly supporting all his portfolio companies. His approach: structured processes and clear frameworks for investment decisions. Money multiplication isn't the only factor – personal motivation to support entrepreneurs on their journey also plays a crucial role.

The Relationship Between Angel Investors and VCs

A central topic is the collaboration between angel investors and venture capital funds. Angels often enter earlier and pave the way for larger funding rounds. Florian explains how this collaboration works and what role advisory boards can play in the process.

Startup Founder vs. Entrepreneur: An Important Distinction

One of the most important insights from Florian's experience: not every startup founder is automatically a good entrepreneur. While founders are often brilliant at developing ideas and building initial products, leading a growing company requires different skills.

Florian's Investment Framework

For his investment decisions, Florian follows a clear framework that considers various factors:

  • The entrepreneurial personality of the founders
  • Market potential and timing
  • Business model and scalability
  • Team dynamics and conflict potential

What Makes Good Entrepreneurs

From his extensive experience, Florian has developed clear ideas about what characterizes successful entrepreneurs. This includes not only technical competencies but also the ability to lead teams, make difficult decisions, and continuously develop themselves.

Red Flags from an Investor's Perspective

Florian shares concrete red flags that founders should absolutely avoid:

  • Unclear or contradictory communication
  • Founder conflicts that aren't addressed openly
  • Lack of structure in cap table management
  • Unrealistic expectations regarding valuation or market potential

Remote Culture: Opportunity or Risk?

A current topic is the evaluation of remote-first startups. Florian discusses when remote culture can be enriching and when it might potentially block a company's development.

Evolution of Investment Hypotheses

Florian's reflection on how his investment hypotheses have evolved over the years is also interesting. What was once considered promising might be evaluated differently today – an important learning process for any investor.

Due Diligence Development

With growing experience, Florian's approach to due diligence has also evolved. He explains which aspects are more important today than before and how the investment decision process has changed.

Cap Table Management and Shareholder Structure

A well-structured shareholder base is crucial for a startup's success. Florian provides insights into what an ideal cap table should look like and what common mistakes founders make in this area.

Practical Tips for Founders

Finally, Florian emphasizes the importance of clear formulations in communication with investors. Precise and honest presentations make a much better impression than vague or overly optimistic statements.

These insights from over 50 angel investments provide valuable guidance for both aspiring founders and investors for successful partnerships in the startup ecosystem.

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