What Separates Fundable Deep-Tech Founders from Everyone Else
Before revenue exists, investing in deep-tech is an act of faith in people, not metrics. Here's what the sharpest investors are really looking for.

Ajay Jain
Founder & Managing Partner
The Technical Foundation
Depth that creates unfair advantage
You need to be dangerously good at something specific. Not broadly smart but specifically world-class at understanding one technical problem. When domain experts talk to you, they should realize you know things they don't. This rarely comes from reading papers. It comes from years of hands-on work, failed experiments, and building intuition that can't be Googled.
The question isn't whether you are brilliant. It's whether you have accumulated knowledge that others simply cannot replicate quickly.
Hands-on Work
Years of experimentation, not just reading papers
Deep Intuition
Knowledge that can't be Googled or replicated quickly
Unfair Advantage
Domain experts realize you know things they don't
The ability to explain why previous attempts failed
Strong founders can walk through the graveyard of past attempts and explain exactly what went wrong and why those constraints no longer apply. Maybe computing got 10x cheaper. Maybe a new material became available. Maybe regulatory pathways opened up.
The best founders have studied failure forensically and know precisely why their timing is different.
Intellectual rigor about risk
You should be able to draw a clear map of what's validated science, what's engineering challenge, and what's genuine unknown. Investors don't want certainty but they want founders who understand their own risk profile.
Can you articulate which assumptions, if wrong, would kill the company? The founders who get funded think probabilistically, not hopefully.
The Risk Map
Validated Science
What has been proven in controlled conditions
Engineering Challenge
Known problems with achievable solutions
Genuine Unknown
Risks that could kill the company if wrong
Founders who get funded can clearly distinguish between these three zones
The Business Instinct
A wedge application that doesn't require magic
Your long-term vision might be transformative, but your first customer needs something that works next year. The best deep-tech founders identify an initial application narrow enough to build quickly but valuable enough to sustain a business.
This proves you understand that technology alone isn't a business.
The Wedge Strategy
Narrow First Application
Works next year, solves a real pain point
Expand & Validate
Prove unit economics, gain traction
Transformative Vision
Full platform / category-defining product
Resourcefulness that proves capital efficiency
How much technical progress have you made with how little money? The best signal is founders who have de-risked major assumptions through creativity - winning non-dilutive grants, building clever simulations, and forming university partnerships.
Deep tech is expensive, and investors need to believe you won't just burn money assuming problems solve themselves at scale.
Non-Dilutive Grants
Government funding, research grants, competitions
Clever Simulations
Validating assumptions before expensive builds
University Partnerships
Leveraging academic resources and talent
Customer proximity before customer validation
You may not have revenue, but you should have relationships. Who are the 10 people who would buy this if it worked?
The founders who get funded have done the ethnographic work. They can describe their future customer's daily frustrations in granular detail because they have shadowed them, worked alongside them.
The Founder Profile
Founder-problem fit that's biographical
Why you, specifically? The answer should be obvious from your history. The best deep-tech founders didn't choose their problem - it chose them. Their obsession predates their company by years.
You can hear it in how they talk: this isn't an opportunity they're exploiting, it's a problem they are compelled to solve.
Code-switching ability between technical and commercial
In one conversation, you need to defend your technical approach to a skeptical domain expert, then turn around and explain business model fundamentals to a generalist investor.
The best founders are multilingual. They can go deep on the science but also discuss unit economics, market dynamics, and competitive positioning.
The Code-Switching Spectrum
Technical Depth
- Defend approach to skeptical domain experts
- Navigate technical complexity with precision
- Deep understanding of underlying science
Commercial Fluency
- Explain unit economics to generalist investors
- Discuss market dynamics and positioning
- Articulate clear go-to-market strategy
The best founders are multilingual across both worlds
Team complementarity that's genuine
Solo technical founders rarely get funded in deep-tech. You need scientific depth plus someone who can build the company - someone who understands talent, operations, fundraising, and eventually sales.
Ideal Co-Founder Complementarity
Scientific Depth
Technical vision, R&D leadership, IP creation
Company Builder
Talent, operations, fundraising, sales
The magic happens when co-founders have overlapping judgment but non-overlapping skills.
The Execution Signals
A development roadmap tied to evidence, not hope
You should be able to describe the next 18 months as a series of technical milestones that progressively de-risk the business. Each milestone should unlock something - the next fundraise, a partnership, a pilot customer.
Evidence-Based Milestone Roadmap
Technical Proof
Core technology validated in controlled environment
Prototype & Pilot
Working prototype with first design partner
Partnership / Revenue
Commercial pilot or strategic partnership signed
Scale Readiness
Unit economics proven, ready for next fundraise
Each milestone progressively de-risks the business and unlocks the next stage
Self-awareness about edges and gaps
What unique advantages do you have? Access to proprietary datasets? Exclusive partnerships? A technical insight from years of experimentation?
Equally important: what don't you know? Investors trust founders who can accurately assess their own strengths and limitations.
Your Edges
- Proprietary datasets or IP
- Exclusive partnerships or access
- Years of experimentation-driven insight
Your Gaps
- Areas requiring outside expertise
- Assumptions that need validation
- Honest assessment of limitations
Making complexity accessible without dumbing it down
If you can't explain why your technology matters to an intelligent non-expert, you can't fundraise, recruit, or sell.
The best founders make you feel smarter after talking to them. They use analogies that illuminate rather than obscure.
Investors are ultimately asking: Can you build something that shouldn't be possible? Not because it's a bad idea, but because it requires navigating technical complexity, capital intensity, regulatory hurdles, and time horizons that would break most people.
The founders who get funded make you believe they are uniquely equipped - through expertise, resourcefulness, and sheer determination - to turn something theoretically possible into practically real.
You don't need revenue. You need conviction backed by evidence.
Continue Reading
Part 2: The Great Inversion
Software margins are compressing. Hardware margins are expanding. The crossover is happening now.

Ajay Jain
Founder & Managing Partner, SilverX Fund
22+ years in venture capital, sales/GTM, and deep-tech investing. Previously at Xseed Partners, T-Hub, Intel, AMD.