We the Builders
We the Builders

In conversation with Billy Thalheimer, Cofounder & CEO of Regent

This is a special edition of We The Builders recorded at The Hill & Valley Forum 2026. Billy cofounded Regent, building all-electric Seaglider vessels for fast, safe, and low-cost coastal transportation. The company is backed by Founders Fund, Lockheed Martin, Mark Cuban, Caffeinated Capital, 80

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Episode Summary

Executive Summary: This special Hill and Valley edition centers on Regent’s rise from a taboo “flying boat” startup to a dual-use maritime-defense company riding the reindustrialization wave. The conversation links AI, geopolitical rivalry with China, shipbuilding, and regulatory change to a broader shift in venture and national security priorities.

Main Topics: Regent’s origin and early skepticism (Priority: 5/5): Willie Tollheimer describes founding Regent during the 2021 YC era, when investors favored crypto and SPACs and saw electric sea gliders as unrealistic. The team struggled to get funded because hardware, maritime, and defense were all out of favor. Dual-use hardware as a business model (Priority: 5/5): The discussion explains how Regent structures the same core vehicle for both commercial transport and defense logistics. The speakers frame aerospace and defense as naturally linked and argue that dual-use is now more accepted by investors and policymakers. Defense use case in the Indo-Pacific (Priority: 5/5): Regent positions sea gliders as a solution for contested logistics, medevac, and mobility across island chains if conflict disrupts runways and large ships. Taiwan, the Philippines, Japan, and Guam are used as examples of key operational geographies. Reindustrialization and U.S. shipbuilding (Priority: 4/5): The episode broadens into why maritime manufacturing is becoming strategically important again: industrial policy, shipping independence, and military readiness. The speakers contrast U.S. labor and cost structures with China’s shipbuilding capacity. Rhode Island as a maritime-defense hub (Priority: 4/5): Regent’s new factory and the cluster of defense and maritime companies in Rhode Island are presented as evidence of a growing regional ecosystem, supported by testing access, talent, and proximity to Boston and New York. Hardware, testing, and autonomy as durable moats (Priority: 4/5): The conversation emphasizes that hardware is hard, slow, and defensible, but also more durable than software in an AI-disrupted market. Regent’s small autonomous drone and full-scale piloted vehicle illustrate a staged product strategy.

Key Arguments: Regent succeeded by holding a “hardware plus defense” thesis when the market was still captivated by crypto, NFTs, SPACs, and software hype. Dual-use is not a compromise but a natural fit for aerospace-derived vehicles that need both speed and range across maritime and defense markets. The Indo-Pacific is the key strategic theater: if fixed runways and big ships are disabled, water-capable vehicles become essential for mobility and logistics. Regent’s product design intentionally aligns commercial and military requirements so one core platform can serve both markets. U.S. shipbuilding and maritime manufacturing are undergoing a resurgence due to industrial policy, geopolitical competition, and a desire to reduce dependence on China. Hardware creates a strong moat because it requires long development cycles, physical testing, and hard-earned operational knowledge. Rhode Island is becoming a concentrated maritime-defense ecosystem because of testing conditions, composites talent, boat-building expertise, and access to adjacent hubs. Autonomous smaller vehicles may scale faster and cheaper for distributed defense missions, while larger crewed vehicles add safety and certification complexity.

Data Points: YC cohort timing: 2021 - Regent was building during the height of the SPAC and crypto boom. Investor hit rate: about 1 out of 10 or 20 investors - Estimated early fundraising difficulty for Regent during YC. Defense adoption window: 2027–2028 - Referenced as the timeframe in which China could be capable of invading Taiwan. Commercial range: about 200 miles - Range of Regent’s electric commercial configuration. Defense range: 1,600 statute miles / 1,400 nautical miles - Range of the turbo-generator defense configuration for island-chain logistics. Payload capacity: 3,500 pounds - Commercial payload capacity for the Viceroy platform. Passenger capacity: 12 passengers and 2 crew - Commercial configuration of the Viceroy platform. Vehicle total weight: 15,000 pounds - Full-scale prototype weight; described as a large vehicle and potentially the largest electric vehicle ever to fly. Prototype size mentioned later: 50,000 pounds - Transcript also states a full-scale prototype on the water at 50,000 pounds. Drone version weight: about 400 pounds - Smaller autonomous Squire drone platform under productization. Factory size: quarter million square feet - New Regent factory in Rhode Island. Jobs expected: a few hundred jobs - Projected job creation from the Rhode Island facility over the next couple of years. Sea speed: 180 miles an hour - Claimed travel speed for the sea glider vehicle. U.S. Navy/DoD interest: Secretary of War visit - Senior defense leadership visited Regent and other Rhode Island maritime-defense companies. Funding raised by peer company: $85 million - Mentioned as Havoc AI’s last-year raise in the Rhode Island maritime-defense ecosystem.

Pivotal Quotes: "“Hardware is cool again. And national security is cool again.”" — Host: Framing the broader market and cultural shift toward defense and physical infrastructure. "“There’s never been an empire that’s in the late stage that suddenly got a technology like AI.”" — Host: Used to underscore how AI and geopolitical competition are changing the investment landscape. "“We’re going to build them now. Not on the blockchain. In real life. With atoms.”" — Willie Tollheimer: A direct contrast between the 2021 crypto/software hype and Regent’s hardware-first mission.

Implications: The episode suggests venture capital is re-entering hard tech, defense, and shipbuilding as strategic priorities. For founders and policymakers, the message is clear: dual-use maritime hardware is becoming both commercially viable and nationally important.

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Conversations with practitioners at the edge of their craft across business, media, startups, frontier technologies, investing.

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