How many employees work at DIO?
DIO Corp. (039840) has approximately 436 total employees worldwide as of December 2025, according to Revelio Labs workforce intelligence data. DIO's total headcount has declined 5.4% from 461 employees in 2023 to 436 in 2025.
Data source: Revelio LabsCoverage: Global workforce, 2023–2026Published June 2026
Is DIO hiring right now?
Yes, DIO is actively hiring. DIO had 2 active job postings in 2025, a 200.0% increase from 2024 — see job openings & hiring trends.
About DIO's Workforce
DIO Corp. (039840) is a Healthcare and Wellness Services company that employs 436 people worldwide as of December 2025. It is the 10th-largest by headcount among its peers. Founded in 1988, the company is headquartered in Busan, South Korea and trades on the Korea KRX Exchange.
DIO's workforce has declined 5.4% from 2023 to 2025, down 6.2% year over year in 2025. It fell to a low of 436 in 2025 Q4 before recovering. Its workforce is concentrated most in South Korea (25.8%), followed by Iran (18.5%) and China (11.3%), with Mexico, its fastest-growing location.
DIO's largest functional groups are Engineering (43.0%), Finance and Operations (41.7%), and Sales and Marketing (15.3%). Median employee tenure is 4.2 years. The average salary is $38,941, ranging from a median of $58,000 in Northern America to $6,000 in Southern Asia.
DIO's active job postings rose 200.0% in 2025 to 2. Overall employee sentiment is negative and broadly stable.
Sourced from Revelio Labs workforce data.
As of December 2025
DIO
workforce metrics
Headcount
436
6.2% YoY
Avg. Salary
$38.9k
2.6% YoY
Tenure
4.2yr
0.2yr YoY
Growth Rate
-6.2%
4.3pts YoY
Hiring Rate
Attrition Rate
Unlock hiring rate, attrition rate, and 12 additional workforce metrics for DIO. Compare to peers, export the dataset, and access the full quarterly history.
- DIO had 436 employees in 2025, a 6.2% decline (-28) from 2024.
- DIO had 464 employees in 2024, a 1.9% decline (-8) from 2023.
- DIO had 472 employees in 2023, a 1.8% increase (+8) from 2022.
DIO's total workforce has declined from 461 employees in 2023 to 436 in 2025.
DIO Corp. — quarterly employee count (2023–2025)
| Year | Qtr | Employees | YoY Change | YoY % |
|---|---|---|---|---|
| 2025 | Q4 | 436 | -28 | -6.2% |
| 2025 | Q3 | 449 | -15 | -3.3% |
| 2025 | Q2 | 463 | -6 | -1.2% |
| 2025 | Q1 | 462 | -10 | -2.1% |
| 2024 | Q4 | 464 | -8 | -1.9% |
| 2024 | Q3 | 464 | +0 | -0.1% |
| 2024 | Q2 | 469 | +1 | +0.1% |
| 2024 | Q1 | 472 | +11 | +2.3% |
| 2023 | Q4 | 472 | +8 | +1.8% |
| 2023 | Q3 | 464 | +5 | +1.2% |
| 2023 | Q2 | 468 | +12 | +2.8% |
| 2023 | Q1 | 461 | +10 | +2.2% |
Want to see DIO's complete headcount history back to 2017, including quarterly breakdowns?
South Korea accounts for the largest share of DIO's global workforce with approximately 26% of total employees, followed by Iran and China. DIO's headcount in Mexico is growing fastest among its major locations, up 9.2% year over year in 2025.
DIO employees by country — 2025
| Country | Employees | % of Total | YoY % |
|---|---|---|---|
| South Korea | 112 | 25.8% | -7.7% |
| Iran | 81 | 18.5% | -8.7% |
| China | 49 | 11.3% | +0.0% |
| United States | 44 | 10.0% | -2.3% |
| India | 33 | 7.7% | -4.1% |
| Mexico | 24 | 5.5% | +9.2% |
| Australia | 13 | 3.1% | +1.3% |
| Portugal | 9 | 2.0% | +0.0% |
| Turkey | 8 | 1.8% | -27.2% |
| Taiwan | 7 | 1.5% | +0.0% |
Drill into city-level data, hiring trends by region and historic geographic shifts
DIO's largest employee groups are Engineering (43.0%), Finance and Operations (41.7%), and Sales and Marketing (15.3%).
DIO employees by department — 2025
| Department | Employees | % of Total | YoY % |
|---|---|---|---|
| Engineering | 184 | 43.0% | +0.4% |
| Finance and Operations | 179 | 41.7% | -4.7% |
| Sales and Marketing | 65 | 15.3% | -15.7% |
Compare DIO's department mix to industry peers.
DIO's average employee salary is $38,941 globally. Employees in Northern America receive the highest compensation, with median pay approximately 1.5x the global average. Pay is lowest in Southern Asia, at a median of $6,000.
DIO median employee salary by region — 2025 (USD)
| Region | Median Salary |
|---|---|
| Northern America | $58,000 |
| Pacific Islands | $55,000 |
| Eastern Asia | $40,000 |
| Western Europe | $38,000 |
| Southern Europe | $24,000 |
| Central and Western Asia | $18,000 |
| Central America and the Caribbean | $17,000 |
| Southern America | $12,000 |
| South-Eastern Asia | $8,000 |
| Southern Asia | $6,000 |
Unlock salary by role, level, and city — and compare to DIO's industry peers.
- DIO had 2 active job postings in 2025, a 200.0% increase (+2) from 2024.
- DIO had 0 active job postings in 2024, a 200.0% decline (-2) from 2023.
- DIO had 2 active job postings in 2023, a 100.0% decline from 2022.
- Hiring velocity in 2025: 2 new roles/month, up from 0 in 2024 and 2 in 2023. New metric
DIO's active job postings rose 200.0% in 2025 to 2.
Track new postings per month, role-level demand, and hiring velocity vs. peers.
Revelio Labs tracks employee sentiment across DIO's workforce based on public professional data. Overall sentiment is negative and has held steady year over year in 2025.
Overall
Unlock the full sentiment breakdown by department, tenure, and trend over time.
Similar Healthcare and Wellness Services Companies by Employee Count
- How fast is DIO growing?
- In 2025, DIO's headcount shrank 6.2% to 436 employees, down from 464 in 2024.
- Where are DIO employees located?
- Most DIO employees are based in South Korea (25.8% of headcount), followed by Iran and China.
- What is the average salary at DIO?
- The average employee salary at DIO is approximately $38.9k per year.
- How many people does DIO hire per year?
- In 2025, DIO opened roughly 24 new roles — about 2 per month.
- When was DIO founded and where is it headquartered?
- DIO was founded in 1988 and is headquartered in Busan, South Korea.
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