Perma FIX Environmental Services
NASDAQ: PESIAtlanta, US · Delaware corporation
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Perma-Fix provides nuclear and radiological services, waste treatment, and health physics services, operating fixed-base facilities for treating hazardous and radioactive waste. It serves domestic and international clients managing complex nuclear and environmental waste projects.
Founders & leadership
MD

Mark DuffPresident and CEOMark Duff has over 38 years of experience in environmental and construction management across DOE and DoD projects, including roles as a corporate officer, senior project manager, co-founder of a consulting firm, and federal employee. He currently serves as President and CEO of Perma-Fix Environmental Services.
Board
ZP
Zach P. WampBoard director
JR
Joe ReederBoard director
SR
Stanley R. CochranBoard director
MA
Mark A. ZweckerBoard director
LM
Larry M. SheltonBoard director
Reported raises · per SEC filings
Form D private placements$3.3M disclosed across 3 rounds · 2016–2019
▶$2.5MraisedApr 2019 · 1 investors · Environmental ServicesRule 506(c)
▶$2.5MraisedApr 2019 · 1 investors · Environmental Services
Rule 506(c)Officers, directors & promoters on the filing
- Zach P. WampDirector
- Joe ReederDirector
- Stanley R. CochranDirector
- Mark A. ZweckerDirector
- Ben NaccaratoExecutive Officer
- Larry M. SheltonDirector
- Louis F. CentofantiExecutive Officer, Director
- Mark DuffExecutive Officer
- Offering amount
- $2.5M
- Amount sold
- $2.5M
- Minimum investment
- $2.5M
- First sale
- Apr 2019
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06c, 4a5
▶$648KraisedJun 2018 · 13 investors · Environmental ServicesRule 506(b)
▶$648KraisedJun 2018 · 13 investors · Environmental Services
Rule 506(b)Officers, directors & promoters on the filing
- Zach WampDirector
- Mark DuffExecutive Officer
- Dr. Louis CentofantiExecutive Officer, Director
- Dr. Gary KuglerDirector
- Larry SheltonDirector
- Robert CochranDirector
- Joe ReederDirector
- Ben NaccaratoExecutive Officer
- Mark ZweckerDirector
- Offering amount
- $648K
- Amount sold
- $648K
- First sale
- May 2018
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06b
▶$155.8KraisedAug 2016 · 2 investors · Environmental ServicesRule 506(b)
▶$155.8KraisedAug 2016 · 2 investors · Environmental Services
Rule 506(b)Officers, directors & promoters on the filing
- John ClimacoDirector
- Ben NaccaratoExecutive Officer
- Dr. Louis F. CentofantiExecutive Officer, Director
- Mark A. ZweckerDirector
- Jack LahavDirector
- Larry M. SheltonDirector
- Mark DuffExecutive Officer
- Dr. Gary KuglerDirector
- Joe R. ReederDirector
- John LashExecutive Officer
- Offering amount
- $155.8K
- Amount sold
- $155.8K
- First sale
- Aug 2016
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06b
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
Frequently asked questions
- What does Perma FIX Environmental Services do?
- Perma-Fix provides nuclear and radiological services, waste treatment, and health physics services, operating fixed-base facilities for treating hazardous and radioactive waste. It serves domestic and international clients managing complex nuclear and environmental waste projects.
- Who founded Perma FIX Environmental Services?
- Perma FIX Environmental Services was founded by Louis F. Centofanti.
- How much funding has Perma FIX Environmental Services raised?
- Perma FIX Environmental Services has disclosed $3.3M raised across 3 rounds.
- Where is Perma FIX Environmental Services headquartered?
- Perma FIX Environmental Services is headquartered in Atlanta, US.


