Arun Tiwari
Centre for Addiction and Mental Health/Staff Scientist / Scientifique membre du personnel
2025 Salary
$133,864Total compensation $134,513, including $649 in taxable benefits.
Source: Ontario’s Public Sector Salary Disclosure — names paid $100,000 or more that year. How we build this · Report an error on this page
At a Glance
2025
Employer Rank
#281Centre for Addiction and Mental Health
Years on List
62020–2025
Peak Salary
$133,8642025
Full 2025 roster at Centre for Addiction and Mental Health →·See where $133,864 ranks →
Total Compensation History
Full History
2020–2025
$109,258 in 2020 is worth about $130,951 in 2025 dollars.
| Year | Position | Salary |
|---|---|---|
| 2025 | Staff Scientist / Scientifique membre du personnelCentre For Addiction And Mental Health | $133,864Benefits $649Total $134,513 |
| 2024 | Staff Scientist / Scientifique membre du personnelCentre For Addiction And Mental Health | $101,805Benefits $325Total $102,129 |
| 2023 | Staff Scientist/ Scientifique membre du personnelCentre For Addiction And Mental Health | $111,304Benefits $0Total $111,304 |
| 2022 | Project Scientist / responsable scientifique de projetsCentre For Addiction And Mental Health | $104,061Benefits $0Total $104,061 |
| 2021 | Project Scientist / responsable scientifique de projetsCentre For Addiction And Mental Health | $105,167Benefits $0Total $105,167 |
| 2020 | Project Scientist / responsable scientifique de projetsCentre For Addiction And Mental Health | $109,258Benefits $0Total $109,258 |
Take-Home Pay
(After Tax) · 2025 estimate
Of the $133,864 Arun Tiwari earned in 2025, roughly $94,737 would remain after income tax, CPP and EI, an all-in deduction rate of about 29.2%. Among those listed as Staff Scientist in 2025, the median was $131,631; this salary sits about 2% above it. That is about 31% more than the $101,805 paid in 2024. Pension contributions — likely HOOPP in the Hospitals & Boards of Public Health sector — would typically trim another 7–10% off that figure.
- Estimated net pay
- ~$94,737
- Effective income-tax rate (excl. CPP/EI)
- ~25.1%
- CPP + EI contributions
- ~$5,507
- All-in deduction rate (incl. CPP/EI)
- ~29.2%
- vs. 2025 Staff Scientist median
- +2%
Where does $133,864 rank on the Sunshine List? →
Estimate only: 2025 federal and Ontario rates, basic personal amounts, Canada employment amount and CPP/EI credits; single, employment income only, salary treated as full-year income. Ignores pension contributions (OMERS, HOOPP, OTPP, OPTrust and similar plans lower actual take-home), union dues, RRSPs and benefits.