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FounderREGENTAmerican

Billy Thalheimer

Co-Founder and CEO

About

Billy Thalheimer co-founded REGENT with Mike Klinker in 2020 and serves as CEO. An MIT-trained aerospace engineer with a background in flight physics and aircraft design, he leads the company building all-electric Seaglider vessels for commercial and defense markets. In 2026 REGENT raised a $240 million Series B, taking total funding commitments above $340 million, completed its Rhode Island manufacturing facility, and flew the full-scale Viceroy prototype with a human crew for the first time.

Previous roles

  • Aerospace Engineer, Aurora Flight Sciences
  • Aerospace Engineer, Boeing

Notable work

  • Viceroy Seaglider
  • Squire autonomous Seaglider drone
  • REGENT float-foil-fly Seaglider architecture
  • REGENT Seaglider manufacturing scale-up

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