Martin Tobias is a solo GP at Incisive Ventures who has made hundreds of pre-seed investments with a highly transparent, data-driven approach that he openly shares through his blog "Deep Green Crystals" and detailed investment playbooks. As a repeat founder with multiple IPO and M&A exits who previously led companies like Bulletproof Labs, he brings an operator's perspective to investing while emphasizing founder resilience and personal development in his work with entrepreneurs.
What they've been talking about across their social media accounts

- Focuses strictly on pre-seed B2B software investments with a specific check size in mind. He has mentioned writing substantial checks for this specific sector recently and aims to complete several more this year, while explicitly directing consumer goods or deep tech opportunities to other investors.
- Values extreme responsiveness and tangible traction over polished presentations. He highlighted his appreciation for a CEO who responded to an email at three in the morning and praised a founder who successfully raised millions based on high customer demand without even having a pitch deck.
- Looks for deeper strategic reasoning in pitches beyond generic AI capabilities. He advised founders that simply citing the availability of large language models is not a sufficient answer for market timing since incumbents have the same access, and he frequently discusses the macro necessity of increasing energy production to support AI growth.
- Uses poker games as a unique networking and vetting environment for entrepreneurs. He jokingly suggested that beating him at the card table and taking his chips makes him more inclined to invest, indicating he values competitive spirit and social interaction.
- Promotes tools to help founders identify aligned capital efficiently. He frequently discusses a platform he is involved with that matches startups with niche firms, emphasizing that finding the right investor fit is often the biggest hurdle in fundraising.
About their Fund
Sectors
AI, SaaS, Fintech, Health, Enterprise
Rounds
Pre-Seed - Seed
Avg Check Size
$250K - $500K
Notable Investments
Incisive Ventures operates as a "theme syndicate" with a high-conviction, low-volume model using low-cost investment vehicles designed to boost LP returns, focusing on technology that reduces friction at scale in legacy and regulated industries like healthcare, supply chain, and fintech where process friction is highest. The fund has built proprietary fundraising software and reports that 74% of their pre-seed investments receive follow-on financing—about 2.5x the industry average—while maintaining an unusually accessible structure for founders with a standing "Pitch US!" Typeform, clear "two meetings to a decision" process, and transparent evaluation criteria published by founder/GP Martin Tobias.
Other partners at the fund
No items found.
Notable Fund
Investments
Sheets they're in
No items found.
Sheets they're Fund is in
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investor name
Active in
Rounds
Avg. Check
Links
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12
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$250K - $2M
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Climate
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$400K - $1.5M
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2
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