/Companies

Circon International

The Woodlands, US · Founded 2022 · Texas LLC

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Founders & leadership

FG
Frank GiacaloneExecutive
JL
Jason L FrazerExecutive
TL
Tim Lee BrwonExecutive
SL
Shon Lee ConleyExecutive
DL
David L DurenExecutiveDavid L Duren is Chairman, CEO, and Founder of Circon Energy LLC, where he has applied circular economy principles to develop resource recovery and waste reduction solutions. He also leads Net Zero LLC alongside Circon.

Reported raises · per SEC filings

Form D private placements

$4M disclosed across 1 round · 2025

▶$4MraisedAug 2025 · 2 investors · Other Energy
Rule 506(c)
Officers, directors & promoters on the filing
  • Frank GiacaloneExecutive Officer, Director
  • Jason L FrazerExecutive Officer
  • Tim Lee BrwonExecutive Officer, Director
  • Shon Lee ConleyExecutive Officer
  • David L DurenExecutive Officer, Director
Offering amount
$80M
Amount sold
$4M
Minimum investment
$500K
Proceeds to insiders
$5M
First sale
Jul 2025
Incorporated
Limited Liability Company, Texas, 2022
Federal exemptions
06c
Full filing on SEC EDGAR ↗

Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.

Frequently asked questions

How much funding has Circon International raised?
Circon International has disclosed $4M raised across 1 round.
Where is Circon International headquartered?
Circon International is headquartered in The Woodlands, US.