About Michael Weigand
Michael Weigand is co-founder and chief executive officer of Aventra Defense Systems. Aventra builds Piranha, a glider and guidance kit that is dropped from a balloon for long-range precision strikes.
Before Aventra, he was co-founder and chief growth officer of Shift5. A 2021 Shift5 release names him in that role.
Experience
This experience comes from official bios and from SEC filings. For roles taken from filings, the years are when the filings name Michael Weigand in the role, so the role may have started earlier or lasted longer.
Aventra Defense Systems, Inc. Current
Co-founder and chief executive officer
Director
2026 – Present · Herndon, VA
Aventra makes low-cost guidance kits and gliders that turn unguided munitions into precision weapons for long-range strikes.
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Shift5
Chief Growth Officer and Co-Founder
Key Colleagues at Startups
The people Michael Weigand works with at each company, as listed on that company's latest Form D.
Aventra Defense Systems, Inc. · Form D, Nov 2, 2026
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Brian Retherford
Executive officer, director and promoter
JM
Jessup Meng
Executive officer and promoter
AP
Alex Poulin
Director
Jason Chapman
Director