Whisper Aero
Cleaner, quieter, more efficient propulsion.
Crossville, United States · Founded 2021 · $42.0M raised
- Headquarters
- Crossville, Tennessee
- Employees
- 51–200
- Founded
- 2021
- Business Model
- B2B
- Website
- whisper.aero
- Total Funding
- $42.0M
- Last Round
- $1.8M GrantOct 2025
- Rounds
- 5
Totals include recorded grants and other qualifying funding, not just equity. What counts toward funding.
About
Whisper Aero is a next-generation electric propulsion company developing cleaner, quieter, and more efficient thrust systems for drones, eVTOLs, and regional aircraft. Founded in 2021 by former NASA and Uber Elevate engineers Mark Moore and Ian Villa, the company's UltraQuiet™ and JetFoil™ propulsion technologies leverage over 15 years of distributed electric propulsion R&D. Whisper Aero operates an 8,000 sq. ft. flight test center at Crossville Memorial Airport in Tennessee and has received U.S. Air Force STRATFI and OECIF funding for its Collaborative Logistics Aircraft program serving defense customers.
Summary
Whisper Aero is an Aerospace company based in Crossville, United States, founded in 2021. It has raised $42.0M in total across 5 rounds, most recently a $1.8M Grant round in Oct 2025. Investors include Menlo Ventures, EVE Atlas and Capricorn Investment Group.
Tech & App Stack
4 technologies & apps tracked
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Funding History
Oct 2025
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Funding: Grant. Amounts, valuations, and investors where available.
Investors
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