Tom Kline is the Co-founder and Partner of Climate Tech Partners. See sector focus and contact routes.
Tom Kline is the Co-founder and Partner of Climate Tech Partners, a Sydney-based venture capital firm he launched with Patrick Sieb in 2023 to accelerate decarbonisation through scalable technology. His investment thesis targets Series A companies in energy, transport, industrials, and mining, covering software, hardware, and deep tech solutions globally. The firm typically invests alongside large corporate partners to de-risk deals, with Fund I securing over $50 million including $15 million each from CEFC, Australian Ethical Super, and a joint Airbus-Qantas investment. While specific check sizes and lead/follow behavior are not explicitly detailed, the fund’s strategy emphasizes matching early-stage decarbonisation players with corporate needs. Notable portfolio involvement includes the sustainable aviation fuel fund managed by Climate Tech Partners, reflecting their focus on transport decarbonisation. Kline distinguishes his approach by prioritizing economic value demonstration before climate benefits, arguing that viability drives adoption in the current market. He previously led Investible’s ClimateTech Fund and served as founding CEO of New En
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