Joanna Henderson
Centre for Addiction and Mental Health/Senior Scientist / Scientifique principale
2025 Salary
$289,573Total compensation $290,834, including $1,260 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
#11Centre for Addiction and Mental Health
Years on List
172009–2025
Peak Salary
$289,5732025
Full 2025 roster at Centre for Addiction and Mental Health →·See where $289,573 ranks →
Total Compensation History
Full History
2009–2025
$109,136 in 2009 is worth about $156,644 in 2025 dollars.
| Year | Position | Salary |
|---|---|---|
| 2025 | Senior Scientist / Scientifique principaleCentre For Addiction And Mental Health | $289,573Benefits $1,260Total $290,834 |
| 2024 | Senior Scientist / Scientifique principaleCentre For Addiction And Mental Health | $203,833Benefits $994Total $204,828 |
| 2023 | Senior Scientist / Scientifique principaleCentre For Addiction And Mental Health | $223,256Benefits $904Total $224,160 |
| 2022 | Senior Scientist / Scientifique principaleCentre For Addiction And Mental Health | $205,026Benefits $877Total $205,903 |
| 2021 | Senior Scientist / Scientifique principaleCentre For Addiction And Mental Health | $173,218Benefits $959Total $174,176 |
| 2020 | Senior Scientist / Scientifique principaleCentre For Addiction And Mental Health | $176,021Benefits $954Total $176,975 |
| 2019 | Senior Scientist / Scientifique principaleCentre For Addiction And Mental Health | $159,066Benefits $867Total $159,933 |
| 2018 | Senior Scientist / Scientifique principaleCentre for Addiction and Mental Health | $164,638Benefits $683Total $165,321 |
| 2017 | Senior Scientist / Scientifique principaleCentre For Addiction And Mental Health | $131,245Benefits $605Total $131,850 |
| 2016 | Independent Clinician Scientist / Scientifique clinicienne indépendanteCentre for Addiction and Mental Health | $128,977Benefits $510Total $129,487 |
| 2015 | Independent Clinician Scientist / Scientifique clinicienne indépendanteCentre for Addiction & Mental Health | $126,901Benefits $509Total $127,410 |
| 2014 | Independent Clinician Scientist / Scientifique clinicienne indépendanteCentre for Addiction and Mental Health | $129,398Benefits $522Total $129,921 |
| 2013 | Independent Clinician Scientist / Scientifique clinicienne indépendanteCentre for Addiction & Mental Health / Centre de toxicomanie et de santé mentale | $108,249Benefits $513Total $108,762 |
| 2012 | Independent Clinician Scientist / Scientifique clinicienne indépendanteCentre for Addiction & Mental Health / Centre de toxicomanie et de santé mentale | $106,729Benefits $451Total $107,180 |
| 2011 | Independent Clinician Scientist / Scientifique clinicienne indépendanteCentre for Addiction & Mental Health / Centre de toxicomanie et de santé mentale | $105,360Benefits $435Total $105,795 |
| 2010 | Independent Clinician ScientistCentre for Addiction & Mental Health | $105,221Benefits $433Total $105,655 |
| 2009 | Independent Clinician ScientistCentre for Addiction & Mental Health | $109,136Benefits $594Total $109,730 |
Take-Home Pay
(After Tax) · 2025 estimate
Of the $289,573 Joanna Henderson earned in 2025, roughly $174,522 would remain after income tax, CPP and EI, an all-in deduction rate of about 39.7%. It is up about 42% on the $203,833 paid in 2024. Records under this name have appeared on the Sunshine List 17 years in all, first in 2009. After pension contributions (probably HOOPP in this sector), take-home is usually a further 7–10% lower.
- Estimated net pay
- ~$174,522
- Effective income-tax rate (excl. CPP/EI)
- ~37.8%
- CPP + EI contributions
- ~$5,507
- All-in deduction rate (incl. CPP/EI)
- ~39.7%
- vs. 2025 Senior Scientist median
- +43%
Where does $289,573 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.