Inertia co-founder Jeff Lawson’s next big bet is fusion: Go inside it at TechCrunch Disrupt 2026
Jeff Lawson, co-founder of Twilio and now CEO of fusion startup Inertia, will appear on the Smart Systems Stage at TechCrunch Disrupt 2026 to discuss translating software founder experience to building fusion energy technology. Inertia has raised $450 million in a Series A led by Bessemer, opened a 50,000-square-foot headquarters in Livermore, California, and is developing laser systems and mass manufacturing for fusion fuel targets.

Why It Matters
The session spotlights how entrepreneurial skills from software scale-up can be applied—or must adapt—when tackling capital-intensive deep tech like fusion, an area that demands both scientific milestones and large-scale manufacturing. Investors and founders can use the discussion to evaluate links between technical progress, funding, and commercial viability for energy hardware ventures.
Key Facts
- Event: TechCrunch Disrupt 2026, October 13–15 at Moscone West, San Francisco
- Session: "How Twilio’s Founder Is Tackling the Power Problem" on the Smart Systems Stage
- Speaker: Jeff Lawson, co-founder of Twilio and CEO of Inertia
- Twilio scale: More than $4 billion in revenue and 300,000 customers worldwide (as cited)
- Inertia funding: $450 million Series A announced in February, led by Bessemer Venture Partners with participation from GV and others
Jeff Lawson, known for co-founding Twilio and scaling it into a public company, will discuss his transition into fusion energy at TechCrunch Disrupt 2026. The fireside chat, titled "How Twilio’s Founder Is Tackling the Power Problem," will appear on the Smart Systems Stage during the October 13–15 event at Moscone West in San Francisco.
Inertia, where Lawson serves as co-founder and CEO, announced a $450 million Series A in February led by Bessemer Venture Partners with participation from GV and other investors. The company says the capital will back development of powerful laser systems and the mass manufacture of fusion fuel targets—two capabilities it identifies as essential for moving fusion from laboratory experiments toward grid-scale power.
This year Inertia also opened a 50,000-square-foot headquarters in Livermore, California, outfitted for work on fuel-target manufacturing processes and laser technologies. The company has been recruiting executives with experience at firms such as Apple, Corning, and Waymo to build its manufacturing and supply-chain functions, reflecting a focus on the industrial and operational side of scaling a physical-energy business.
At Disrupt, Lawson will reflect on how his prior roles—co-founding Twilio, early product leadership at Amazon Web Services, and serving as founding CTO of StubHub—influence Inertia’s approach to hiring, milestone-setting, and fundraising. The session aims to examine which aspects of software-based company building transfer to a capital- and engineering-intensive domain, and which require different practices. Attendees can register for the conference (with registration discounts available through September 25) to hear the conversation alongside other programming in climate and energy tracks.
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Original source: TechCrunch — Startups