How many employees work at Siteman Cancer Center?
Siteman Cancer Center has approximately 284 total employees worldwide as of March 2026, according to Revelio Labs workforce intelligence data. Siteman Cancer Center’s total headcount has grown 34.9% from 210 employees in 2023 to 284 in 2026.
About Siteman Cancer Center’s Workforce
Siteman Cancer Center is a Healthcare and Wellness Services company that employs 284 people worldwide as of March 2026. It is the 11th-largest by headcount among its peers. Founded in 1999, the company is headquartered in St Louis, Missouri.
Siteman Cancer Center's workforce has grown 34.9% from 2023 to 2026, up 0.7% year over year in 2026. Its workforce is concentrated most in North America (100.0%).
Siteman Cancer Center's functional groups are Finance and Operations (60.2%), Sales and Marketing (20.2%), and Engineering (19.6%), with Engineering growing fastest (up 9.1%). The average salary is $94,567, highest in North America at a median of $99,000.
Overall employee sentiment is neutral and broadly stable.
Sourced from Revelio Labs workforce data.
- Headquarters
- St Louis, Missouri
- Founded
- 1999
- Industry
- Healthcare and Wellness Services
- Employees
- 284
- YoY
- +0.7% (+26)
As of March 2026
Siteman Cancer Center workforce metrics
Unlock hiring rate, attrition rate, and 12 additional workforce metrics for Siteman Cancer Center. Compare to peers, export the dataset, and access the full quarterly history.
Unlock MetricsSiteman Cancer Center Annual Employee Count (2023-2026)
- Siteman Cancer Center had 284 employees in 2026, a 0.7% increase (+26) from 2025.
- Siteman Cancer Center had 280 employees in 2025, a 0.9% increase (+31) from 2024.
- Siteman Cancer Center had 249 employees in 2024, a 0.5% decline (+30) from 2023.
- Siteman Cancer Center had 219 employees in 2023, a 0.2% increase (+23) from 2022.
Siteman Cancer Center's total workforce has grown from 210 employees in 2023 to 284 in 2026.
Siteman Cancer Center quarterly employee count
| Year | Qtr | Employees | YoY Change | YoY % |
|---|---|---|---|---|
| 2026 | Q1 | 284 | +26 | +0.7% |
| 2025 | Q4 | 280 | +31 | +0.9% |
| 2025 | Q3 | 272 | +35 | +2.1% |
| 2025 | Q2 | 269 | +42 | +2.4% |
| 2025 | Q1 | 258 | +41 | +2.0% |
| 2024 | Q4 | 249 | +30 | -0.5% |
| 2024 | Q3 | 237 | +25 | -3.1% |
| 2024 | Q2 | 227 | +17 | -4.5% |
| 2024 | Q1 | 217 | +21 | -1.8% |
| 2023 | Q4 | 219 | +23 | +0.2% |
| 2023 | Q3 | 212 | +18 | +3.4% |
| 2023 | Q2 | 210 | +20 | +2.8% |
See Siteman Cancer Center's complete headcount history, including quarterly breakdowns.
Get the DataSiteman Cancer Center Employee Count by Region (2026)
North America accounts for the largest share of Siteman Cancer Center's global workforce with approximately 100% of total employees.
Siteman Cancer Center employees by region
| Region | Employees | % of Total |
|---|---|---|
| North America | 282 | 100.0% |
Drill into city-level data, hiring trends by region, and historic geographic shifts.
Unlock Geographic DataSiteman Cancer Center Employee Count by Department (2026)
Siteman Cancer Center's employee groups are Finance and Operations (60.2%), Sales and Marketing (20.2%), and Engineering (19.6%).
Siteman Cancer Center employees by department
| Department | Employees | % of Total |
|---|---|---|
| Finance and Operations | 169 | 60.2% |
| Sales and Marketing | 57 | 20.2% |
| Engineering | 55 | 19.6% |
Compare Siteman Cancer Center's department mix to industry peers.
See Full DataSiteman Cancer Center Employee Salary by Region (2026)
Siteman Cancer Center's average employee salary is $94,567 globally. Employees in North America receive the highest compensation.
Siteman Cancer Center median employee salary by region (USD)
| Region | Median Salary |
|---|---|
| North America | $99,000 |
Unlock salary by role, level, and city — and compare to Siteman Cancer Center's industry peers.
Unlock Salary DataSiteman Cancer Center Employee Sentiment (2026)
Revelio Labs tracks employee sentiment across Siteman Cancer Center's workforce based on public professional data. Overall sentiment is neutral and has held steady year over year in 2026.
Overall
Unlock the full sentiment breakdown by department, tenure, and trend over time.
Unlock SentimentSimilar Companies
Similar Healthcare and Wellness Services Companies by Employee Count
Frequently Asked Questions About Siteman Cancer Center
- How fast is Siteman Cancer Center growing?
- In 2026, Siteman Cancer Center's headcount grew 0.7% to 284 employees, up from 258 in 2025.
- See the full headcount history
- Where are Siteman Cancer Center employees located?
- Most Siteman Cancer Center employees are based in North America (100.0% of headcount).
- Explore where the workforce is based
- What is the average salary at Siteman Cancer Center?
- The average employee salary at Siteman Cancer Center is approximately $94.6k per year.
- Analyze the salary distribution
- When was Siteman Cancer Center founded and where is it headquartered?
- Siteman Cancer Center was founded in 1999 and is headquartered in St Louis, Missouri.
- Compare Siteman Cancer Center to industry peers
Speak with a workforce expert about Siteman Cancer Center.
Book a DemoSee something that doesn't look right? Reach out and our team will review it.