Department of Developmental Services
Developmental Services Wrk
John Klosowski in 2025 was employed at Department of Developmental Services and had an annual salary of $67,979, according to public records. This salary was 10 percent higher than the average and 6 percent higher than the median salary in Department of Developmental Services.
Department of Developmental Services records show John Klosowski held job of Developmental Services Worker from 2019 to 2025.
According to the public records employee's salary increased by $4,920 from 2024 to 2025, which is a 7.8 percent rise. Since 2019, the salary has increased by $31,275, a total rise of 85.2 percent.
| Year | 2025 |
| Full Name | John Klosowski |
| Original Job Title | Developmental Services Wrk I |
| Job Title | Developmental Services Wrk |
| Get Developmental Services Wrk Salary Statistics | |
| State | Massachusetts |
| Employer | Department of Developmental Services |
| Annual Wage | $67,979 |
| Pay Plan |
*Information may include where available: salary, bonuses, benefits, retirement contributions, pensions, and other financial data.
| Employer Name | Department of Developmental Services |
| Year | 2025 |
| Number of Employees | 7,543 |
| Average Annual Wage | $62,072 |
| Median Annual Wage | $63,838 |
John Klosowski (2024)Developmental Services Worker | View Person Details |
John Klosowski (2023)Developmental Services Worker | View Person Details |
John Klosowski (2022)Developmental Services Worker | View Person Details |
John Klosowski (2021)Developmental Services Worker | View Person Details |
John Klosowski (2020)Developmental Services Worker | View Person Details |
John Klosowski (2019)Developmental Services Worker | View Person Details |
Kerri O'Brien (2025)Developmental Services Worker at Department of Developmental Services | View Person Details |
Catherine Kiritu (2025)Developmental Services Worker at Department of Developmental Services | View Person Details |
Victor Howard K (2025)Developmental Services Worker at Department of Developmental Services | View Person Details |
Gwenyth Alexander (2025)Human Services Coordinator at Department of Developmental Services | View Person Details |
Kwame Oduro (2025)Developmental Services Worker at Department of Developmental Services | View Person Details |
Maxine Hopkins (2025)Developmental Services Worker at Department of Developmental Services | View Person Details |
Guyrlene Leveille (2025)Developmental Services Worker at Department of Developmental Services | View Person Details |
Paul Dumas (2025)Vocational Instructor at Department of Developmental Services | View Person Details |
Cecelia Garnett (2025)2Nd Level Direct Care Worker at Department of Developmental Services | View Person Details |
John Washiek (2025)Developmental Services Worker at Department of Developmental Services | View Person Details |