Genapsys founder Hesaam Esfandyarpour raised over $240 million to build a portable, low-cost DNA sequencing device. His story provides a playbook for deep tech founders on how to navigate long R&D cycles, raise significant capital by de-risking technology in stages, and build a world-class, multidisciplinary team. The key is to frame a massive vision while hitting concrete technical milestones.
Key takeaways
- Deep tech fundraising is a marathon; plan for longer cycles and different investor types than SaaS.
- Your first rounds are for de-risking technology, not for revenue. Map milestones to funding.
- Sell investors on a powerful analogy, like moving from a "mainframe" to an "iPhone" for your industry.
- Build a multidisciplinary team early. You need science, hardware, software, and commercial minds in the room.
- Anchor your decade-plus journey in a powerful, personal mission. It’s your most crucial survival tool.
- A small, successful side business can fund your education and give you your first taste of entrepreneurship.
From Mainframes To iPhones: A Deep Tech Fundraising Playbook
Raising over $240 million for a hardware startup is not a normal fundraising story. When Hesaam Esfandyarpour set out to build Genapsys, he wasn't creating a new photo-sharing app. He was trying to shrink a million-dollar, room-sized DNA sequencing operation into a portable, iPad-sized device. This is the world of "deep tech"—where timelines are measured in years, not months, and capital requirements are immense.
Esfandyarpour's journey from a small town in Iran to a Stanford Ph.D. and the helm of a company revolutionizing genomics provides a critical playbook for any founder working on hard problems. Forget the SaaS "growth hacks." This is a masterclass in raising capital against technical risk, building a world-class team, and surviving the long, lonely road of R&D.
The #1 Rule of Deep Tech: You Are Not a SaaS Company
The biggest mistake a deep tech or hardware founder can make is to follow the Silicon Valley SaaS playbook. Your investors are different, your milestones are different, and your story is different. While a software founder pitches traction and MRR, a deep tech founder must sell a credible vision for navigating technical uncertainty.
Your "product" in the early days isn't a commercial device; it's a series of successfully de-risked scientific and engineering milestones. Your fundraising is not a single event but a multi-stage marathon designed to fuel this process. Esfandyarpour didn't raise $240M in one go; he raised it in stages, with each round buying him the time and resources to solve the next set of technical challenges.
Lesson 1: Master the Staged Art of Deep Tech Fundraising
You don't raise a quarter-billion dollars by showing a hockey-stick growth chart. You raise it by convincing a very specific type of investor that you have a plan to turn science into a commercial reality. This requires a different fundraising strategy.
De-Risking in Stages: From Seed to Series C
Pre-Seed/Seed ($500k - $3M): The goal here isn't market validation; it's technical feasibility . Can you prove your core science works on a benchtop? You are selling your academic credentials, the strength of your IP, and a clear, milestone-based plan. Your investors are likely angel investors with technical backgrounds, university-affiliated funds, or specialist pre-seed VCs. Mistake to Avoid: Promising revenue within 12 months. Instead, promise to deliver a specific, measurable technical result (e.g., "demonstrate 99% accuracy on a known sample"). · Series A ($10M - $20M): You’ve proven the science works. Now, can you build a functional, integrated prototype? This round is about engineering risk. You’ll hire your first hardware, software, and chemistry specialists. Your investors now include dedicated deep tech or healthcare VCs who understand the long game. Your Goal: Build the "looks-like, works-like" prototype. It doesn't have to be pretty or cheap, but it has to prove the core systems can work together. · Series B ($30M - $50M+): You have a working prototype. This round is about scaling and commercialization risk. Can you manufacture it reliably? Who is your first customer? You need to show a clear path from the lab to a real-world use case. Your Team: This is when you bring in operators—people from Google, Apple, or established players in your industry, as Esfandyarpour did. You need people who know how to build a supply chain and a go-to-market motion.
The Mainframe-to-iPhone Analogy: Esfandyarpour framed his vision brilliantly. He described the existing genomics industry as being stuck in the era of "giant, bulky, expensive machines," like old mainframe computers. His vision was to create the "iPhone for genomics"—a powerful, portable, and accessible platform that would unleash a new ecosystem of applications. This analogy instantly communicates the scale of the opportunity to investors.
Lesson 2: Build a "Noah's Ark" Team
A deep tech company is a fusion of multiple disciplines. Genapsys wasn't just a biology company; it required excellence in chemistry, hardware design, software engineering, machine learning, and data science. Esfandyarpour explicitly mentions bringing together "top scientific minds from Stanford, the best hardware designers from Intel and Apple, [and] business operators from Google."
How to Recruit for a Deep Tech Startup
You can't compete with Google on salary. You win on mission and the uniqueness of the challenge.
Sell the Mission, Not the Perks: Top-tier talent is often bored. Give them a chance to solve a problem that matters. For Esfandyarpour, the mission was personal, sparked by a family member’s misdiagnosis. This authentic "why" is a powerful recruiting tool. · Hire for Cross-Disciplinary Communication: Your biggest internal risk is having teams that can't speak the same language. During the interview process, have a chemist interview a software engineer and vice versa. Their ability to understand each other's constraints is critical. · Look for "T-Shaped" People: You need deep experts (the vertical bar of the T) who also have a broad appreciation for adjacent fields (the horizontal bar). A hardware engineer who has taken a basic biology course is infinitely more valuable than one who hasn't.
Lesson 3: The Power of an Early "Win"
Long before Stanford and Genapsys, Esfandyarpour started an ISP in his hometown. It wasn't a glamorous unicorn, but it did something crucial: it made money. That early venture paid for his college and travel, and more importantly, it gave him the confidence and practical experience of running a business.
For founders on a long journey, an early, small-scale success can provide the financial cushion and mental fortitude to pursue a much larger, more ambitious goal. It's a tangible reminder that you can, in fact, build something from nothing.
Lesson 4: Your Personal "Why" Is Your Ultimate Fuel
Esfandyarpour’s father set the bar high: "plan to reach the moon, and then maybe you will get to the clouds." This philosophy, combined with the personal motivation of a family member’s health scare, created a resilience that is essential for a decade-plus journey. When your experiments are failing, a funding round collapses, or a key employee leaves, your P&L won't keep you going. Your deeply held purpose will.
Investors can sense the difference between a founder who is chasing a trend and one who is on a mission. The mission is what will carry you through the "trough of sorrow" that is all but guaranteed in a deep tech venture.
How to Apply This This Week: A Checklist for Deep Tech Founders
Map Your Risks to Your Rounds: Create a simple chart. Column 1: Funding Round (Pre-Seed, Seed, A). Column 2: Top 1-2 Risks to Eliminate (e.g., "Prove basic chemistry," "Build integrated prototype"). Column 3: Capital Required. This is your new fundraising narrative. · Craft Your "Mainframe-to-iPhone" Analogy: In one sentence, how do you describe the before-and-after world your technology creates? Before: slow, expensive, centralized. After: fast, cheap, distributed. Practice this pitch. · Audit Your Network for Multidisciplinary Talent: Identify the three most critical hires you need to make to hit your next technical milestone. They are likely outside your core discipline. Start building those relationships now. · Write Down Your "Why": In 100 words or less, write down the personal story or mission that drives you. This isn't for your pitch deck; it's for you. Put it somewhere you will see it every day.
Frequently asked questions
- What is a deep tech startup?
- A deep tech startup is a company built around a significant scientific or engineering innovation. Unlike many software startups, they often require long R&D cycles, substantial capital investment, and face fundamental technology risk.
- How is fundraising for deep tech different from SaaS?
- Deep tech investors focus on technical milestones, the strength of your IP, and the team's scientific credibility, whereas SaaS investors often prioritize user growth and revenue metrics like ARR. The fundraising process is typically longer and involves different types of investors, like specialist VCs and corporate funds.
- How much dilution should a deep tech founder expect?
- Because deep tech requires more capital over more rounds, founders often experience greater dilution than SaaS founders, sometimes exceeding 50-60% by the time the company reaches commercial scale. The key is to raise enough capital at each stage to reach the next major valuation inflection point.
- What is Genapsys?
- Genapsys is a company founded by Hesaam Esfandyarpour that developed a small, affordable electronic DNA sequencing device. The vision is to make genomics accessible outside of specialized labs for applications in healthcare, infectious disease, agriculture, and more.
