Jeff Lawson’s Bold Leap from Software to Fusion Energy
Jeff Lawson, renowned for scaling Twilio into a public company generating over $4 billion in revenue and serving 300,000 customers globally, is embarking on a groundbreaking journey beyond software. As co-founder and CEO of Inertia, Lawson is now focused on an audacious mission: bringing fusion power to the grid. This pivot marks a striking transition from cloud communications to cutting-edge energy technology, raising important questions about how entrepreneurial skills translate across vastly different industries.
This evolution will be a highlight at TechCrunch Disrupt 2026, where Lawson will participate in a fireside chat titled “How Twilio’s Founder Is Tackling the Power Problem.” Hosted on the Smart Systems Stage, this discussion will delve into the challenges and adaptations required when a seasoned tech entrepreneur takes on a capital- and engineering-intensive deep tech startup focused on climate and energy innovation.
The event, taking place October 13–15 at Moscone West in San Francisco, will gather over 10,000 founders, investors, and tech innovators. It offers a unique opportunity to explore the strategic choices involved in building a company that operates at the intersection of advanced science and commercial viability. Attendees can register now and save up to $200 before ticket prices increase on September 25 at 11:59 p.m. PT, with additional discounts available for group registrations.
Inertia’s $450 Million Series A: Pioneering Fusion Fuel and Laser Technology
Inertia’s ambitious vision recently received a massive financial boost with a $450 million Series A funding round led by Bessemer Venture Partners and supported by GV (formerly Google Ventures) alongside other strategic investors. This capital injection aims to accelerate the development of powerful laser systems and scale the manufacturing of fusion fuel targets — critical components to transitioning fusion from experimental labs to reliable, grid-scale power generation.
In July, Inertia unveiled its new 50,000-square-foot headquarters in Livermore, California, equipped to advance both fuel-target manufacturing and laser technology development. The company’s leadership team now includes veterans from industry giants such as Apple, Corning, and Waymo, signaling a strong emphasis on building robust manufacturing and supply chain capabilities essential for fusion’s commercial future.
Entrepreneurs and investors interested in the nuances of raising significant capital for deep tech startups can seize the chance to hear Lawson’s firsthand insights by securing a Disrupt pass, with early bird savings available until September 25.
What to Expect from Jeff Lawson’s TechCrunch Disrupt Session
Jeff Lawson’s career embodies multifaceted expertise. Beyond co-founding Twilio, he held early product leadership roles at Amazon Web Services and was the founding CTO of StubHub. This diverse background informs his approach to product development, team building, and company scaling across different market sectors.
At TechCrunch Disrupt 2026, Lawson will discuss how his experience shapes Inertia’s strategies around talent acquisition, realistic yet ambitious project timelines, fundraising, and navigating complex engineering challenges. Importantly, this conversation acknowledges that the playbook for software startups may not directly apply to the fusion energy sector, which demands deep scientific expertise and long-term investment horizons.
Lawson’s transition highlights essential leadership questions: How do you assemble a high-performing team when the domain expertise required is outside your personal background? How do you establish credible, measurable milestones while maintaining momentum toward a long-term, mission-driven goal? These considerations are crucial not only for founders but also for investors evaluating the interplay between technical progress, funding needs, and commercial viability.
Those interested in deepening their understanding of these dynamics can register here to secure early discounts ahead of the September 25 deadline.
Beyond the Headline: The Real Work of Scaling Fusion at TechCrunch Disrupt 2026
Lawson’s story is more than just a headline about a successful software founder moving into fusion energy. It is an invitation to understand the complex, interdisciplinary effort required to build a company that depends equally on scientific breakthroughs and sharp business execution.
Whether you are innovating in climate technology, hardware manufacturing, or navigating unfamiliar startup terrain, Lawson’s experience sheds light on the nuanced realities of scaling a company in a highly technical and capital-intensive field.
Be part of the conversation at TechCrunch Disrupt 2026, where you can connect with founders, investors, and operators across numerous stages, the exhibition floor, Startup Battlefield, and networking events.
Big ambitions make headlines, but the strategic decisions behind those ambitions build companies. Join Jeff Lawson at TechCrunch Disrupt 2026 to learn what comes next. Secure your spot now to access this session among 200+ others led by 250+ tech leaders. Early savings of up to $200 expire on September 25 at 11:59 p.m. PT, with group discounts available for four or more attendees.
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