CleanTechies

#228 How to Invest in ClimateTech in 2025 like a Day 1 Investor w/ Joshua Posamentier (Congruent Ventures)

• Silas & Somil • Season 1 • Episode 228

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Joshua Posamentier is the co-founder and managing partner at Congruent Ventures, an early-stage venture capital fund focused exclusively on climate tech. With a background in physics and a career that began in the semiconductor industry, Josh transitioned into climate investing after holding various roles at Intel and Prelude Ventures. Widely regarded as an OG in the climate tech space, Josh has been investing in climate solutions since well before the current wave of interest, making him one of the most experienced voices in the field. His deep technical expertise, combined with over a decade of focused climate investing, has given him a unique perspective on the evolution of the sector from its early clean tech days to today’s thriving climate tech ecosystem. Josh’s experience includes navigating the highs and lows of the market, from the early 2010s downturn in clean tech investing to today’s booming climate sector, providing invaluable insight to founders.

Congruent Ventures is an early-stage climate tech fund based in San Francisco that invests across a wide range of sectors, including energy transition, food and agriculture, urban mobility, and sustainable production. The firm has made over 60 investments in companies that focus on delivering measurable, impactful climate solutions while achieving top-quartile venture returns. Congruent Ventures is known for its hands-on approach, staying actively involved with portfolio companies from seed through later funding stages.

📝 Show Notes:

Topics 

  • 00:00 The Journey into Climate Tech Investing
  • 10:05 Congruent Ventures
  • 19:50 Navigating the Climate Tech Landscape
  • 29:47 Challenges of Measuring Impact
  • 39:52 Hardware vs. Software & Insights from Semiconductors
  • 30:15 Navigating NIMBYism
  • 34:37 Investment Strategies
  • 39:52 The Future of Energy Demand and Policy
  • 45:59 Exciting Innovations

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People on this episode

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Silas Mahner

Co-host
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Somil Aggarwal

Co-host