Perma-Fix Environmental Services Management
Management criteria checks 4/4
Perma-Fix Environmental Services' CEO is Mark Duff, appointed in Sep 2017, has a tenure of 8.92 years. total yearly compensation is $453.08K, comprised of 92.1% salary and 7.9% bonuses, including company stock and options. directly owns 0.63% of the company’s shares, worth €2.09M. The average tenure of the management team and the board of directors is 7.5 years and 8.6 years respectively.
Key information
Mark Duff
Chief executive officer
US$453.1k
Total compensation
| CEO salary percentage | 92.07% |
| CEO tenure | 8.9yrs |
| CEO ownership | 0.6% |
| Management average tenure | 7.5yrs |
| Board average tenure | 8.6yrs |
Recent management updates
Recent updates
CEO Compensation Analysis
| Date | Total Compensation | Salary | Company Earnings |
|---|---|---|---|
| Jun 30 2026 | n/a | n/a | -US$18m |
| Mar 31 2026 | n/a | n/a | -US$15m |
| Dec 31 2025 | US$453k | US$417k | -US$11m |
| Sep 30 2025 | n/a | n/a | -US$11m |
| Jun 30 2025 | n/a | n/a | -US$18m |
| Mar 31 2025 | n/a | n/a | -US$20m |
| Dec 31 2024 | US$456k | US$417k | -US$20m |
| Sep 30 2024 | n/a | n/a | -US$16m |
| Jun 30 2024 | n/a | n/a | -US$7m |
| Mar 31 2024 | n/a | n/a | -US$2m |
| Dec 31 2023 | US$748k | US$382k | US$918k |
| Sep 30 2023 | n/a | n/a | -US$1m |
| Jun 30 2023 | n/a | n/a | -US$503k |
| Mar 31 2023 | n/a | n/a | -US$2m |
| Dec 31 2022 | US$416k | US$375k | -US$3m |
| Sep 30 2022 | n/a | n/a | -US$4m |
| Jun 30 2022 | n/a | n/a | -US$3m |
| Mar 31 2022 | n/a | n/a | US$1m |
| Dec 31 2021 | US$563k | US$350k | US$1m |
| Sep 30 2021 | n/a | n/a | US$4m |
| Jun 30 2021 | n/a | n/a | US$4m |
| Mar 31 2021 | n/a | n/a | US$930k |
| Dec 31 2020 | US$508k | US$344k | US$3m |
| Sep 30 2020 | n/a | n/a | US$4m |
| Jun 30 2020 | n/a | n/a | US$5m |
| Mar 31 2020 | n/a | n/a | US$5m |
| Dec 31 2019 | US$463k | US$287k | US$3m |
Compensation vs Market: Mark's total compensation ($USD453.08K) is below average for companies of similar size in the German market ($USD1.04M).
Compensation vs Earnings: Mark's compensation has been consistent with company performance over the past year.
CEO
Mark Duff (63 yo)
Mr. Mark J. Duff has been the Chief Executive Officer and President of Perma-Fix Environmental Services, Inc. since September 8, 2017 and serves as its Director since April 20, 2023 Since joining Perma-Fix...
Leadership Team
| Name | Position | Tenure | Compensation | Ownership |
|---|---|---|---|---|
| President | 8.9yrs | US$453.08k | 0.63% € 2.1m | |
| Founder | 35.6yrs | US$308.55k | 1.32% € 4.4m | |
| CFO, Executive VP & Secretary | 17.5yrs | US$392.19k | 0.23% € 759.8k | |
| Executive VP & COO | 1.6yrs | US$628.53k | 0.0064% € 21.0k | |
| Executive Vice President of Hanford Waste Operations | 6.1yrs | US$359.68k | 0.19% € 643.1k | |
| Vice President of Human Resources | no data | no data | no data | |
| Senior Vice President of Health Physics Services | 2.6yrs | no data | no data | |
| VP & Corporate Controller | no data | no data | no data |
Experienced Management: PFX1's management team is seasoned and experienced (7.5 years average tenure).
Board Members
| Name | Position | Tenure | Compensation | Ownership |
|---|---|---|---|---|
| President | 3.3yrs | US$453.08k | 0.63% € 2.1m | |
| Founder | 35.6yrs | US$308.55k | 1.32% € 4.4m | |
| Independent Lead Director | 35.6yrs | US$178.57k | 1.17% € 3.9m | |
| Independent Director | 23.3yrs | US$167.44k | 1.13% € 3.7m | |
| Independent Chairman of the Board | 20.1yrs | US$196.21k | 0.94% € 3.1m | |
| Independent Director | 6yrs | US$153.43k | 0.24% € 787.9k | |
| Independent Director | 8.6yrs | US$153.62k | 0.25% € 832.4k | |
| Independent Director | 6.5yrs | US$177.43k | 0.32% € 1.1m | |
| Independent Director | 5.3yrs | US$151.18k | 0.036% € 118.9k |
Experienced Board: PFX1's board of directors are considered experienced (8.6 years average tenure).
Company Analysis and Financial Data Status
| Data | Last Updated (UTC time) |
|---|---|
| Company Analysis | 2026/08/14 08:49 |
| End of Day Share Price | 2026/08/13 00:00 |
| Earnings | 2026/06/30 |
| Annual Earnings | 2025/12/31 |
Data Sources
The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.
| Package | Data | Timeframe | Example US Source * |
|---|---|---|---|
| Company Financials | 10 years |
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| Analyst Consensus Estimates | +3 years |
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| Market Prices | 30 years |
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| Ownership | 10 years |
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| Management | 10 years |
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| Key Developments | 10 years |
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* Example for US securities, for non-US equivalent regulatory forms and sources are used.
Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.
Analysis Model and Snowflake
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Industry and Sector Metrics
Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.
Analyst Sources
Perma-Fix Environmental Services, Inc. is covered by 3 analysts. 1 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.
| Analyst | Institution |
|---|---|
| Aaron Spychalla | Craig-Hallum Capital Group LLC |
| Brian Russo | Sidoti & Company, LLC |
| Albert Kaschalk | Wedbush Securities Inc. |