Not Another CEO Podcast | Burned Bridges, No Retreats - Shaun Abrahamson - Third Sphere

Burned Bridges, No Retreats - Shaun Abrahamson - Third Sphere - Episode #91

March 17, 2026 / 54:25/E91

What sets apart the founders who persevere through immense challenges and come out stronger on the other side? In this episode, David sits down with Shaun Abrahamson, Co-Founder & Managing Partner at Third Sphere. Shaun shares his unique insights into the high-stakes world of venture investing, particularly in climate tech and hardware, reflecting on the kinds of founders he backs and the unforeseen hurdles they've had to overcome.

Shaun delves into his philosophy on investing in early-stage companies, emphasizing the importance of resilience and adaptability in founders. He also discusses the intricacies of climate tech investment and the lessons he's learned from over two decades in the field.

Takeaways:

The Importance of "Burned Bridges": Shaun explains that he looks for founders who feel they have no option but to succeed, drawing a comparison to immigrants or those without a fallback, which can drive relentless focus and fortitude.
Signals of Early-Stage Investment: Investing at the pre-seed stage involves identifying teams with potential through their work product rather than initial conversations.
Challenges of Climate Tech Investing: The difficulty in obtaining clear customer signals within climate tech is highlighted. Shaun notes that genuine customer commitment is hard to gauge and is essential for moving beyond pilot projects.
Weathering the Storms: Shaun emphasizes that founders who persist through geopolitical challenges, like supply chain disruptions and tariffs, emerge uniquely stronger.
The Vital Role of Communication: Regular, transparent, and honest updates from founders are crucial. Shaun believes in using structured updates to inform strategy and investment decisions, shedding light on what is and isn't working.
Navigating the Path to Profitability: Shaun shares Third Sphere's model of aiming for break-even by Series A, emphasizing the value of financial independence and sustainable growth over solely seeking further rounds of venture capital.
The Future of Hardware and Climate Tech: With advancements in robotics and climate resilience, the potential for transformative business opportunities in these sectors excites Shaun.

Quote of the Show:

“Portfolio math is brutal because it basically says that most companies don’t matter… it’s very easy to say, it’s very hard for founders to accept they may not be that one or two companies." - Shaun Abrahamson

Links: