How many employees work at Korro Bio, Inc. (United States)?
Korro Bio, Inc. (United States) has approximately 50 total employees worldwide as of March 2026, according to Revelio Labs workforce intelligence data. Korro Bio, Inc. (United States)’s total headcount has declined 31.1% from 73 employees in 2023 to 50 in 2026.
Is Korro Bio, Inc. (United States) hiring right now?
Yes, Korro Bio, Inc. (United States) is actively hiring. Korro Bio, Inc. (United States) had 9 active job postings in 2026, a 28.6% decline from 2025 — see job openings & hiring trends.
About Korro Bio, Inc. (United States)’s Workforce
Korro Bio, Inc. (United States) is a Biotech and Healthcare Services company that employs 50 people worldwide as of March 2026. It is the 9th-largest by headcount among its peers. Founded in 2018, the company is headquartered in Cambridge, Massachusetts.
Korro Bio, Inc. (United States)'s workforce has declined 31.1% from 2023 to 2026, down 23.5% year over year in 2026. It fell to a low of 50 in 2026 Q1 before recovering. Its workforce is concentrated most in North America (94.7%), followed by Western Europe (3.7%) and Southern Europe (1.6%).
Korro Bio, Inc. (United States)'s functional groups are Engineering (51.3%), Finance and Operations (40.0%), and Sales and Marketing (8.7%). The average salary is $194,163, highest in North America at a median of $171,000, up 11.3% year over year in 2026.
Korro Bio, Inc. (United States)'s active job postings fell 28.6% in 2026 to 9, with new postings per month cooling from 5 in 2023 to 3 in 2026. Overall employee sentiment is neutral but improving.
Sourced from Revelio Labs workforce data.
- Headquarters
- Cambridge, Massachusetts
- Founded
- 2018
- Industry
- Biotech and Healthcare Services
- Employees
- 50
- YoY
- -23.5% (-39)
As of March 2026
Korro Bio, Inc. (United States) workforce metrics
Unlock hiring rate, attrition rate, and 12 additional workforce metrics for Korro Bio, Inc. (United States). Compare to peers, export the dataset, and access the full quarterly history.
Unlock MetricsKorro Bio, Inc. (United States) Annual Employee Count (2023-2026)
- Korro Bio, Inc. (United States) had 50 employees in 2026, a 23.5% decline (-39) from 2025.
- Korro Bio, Inc. (United States) had 52 employees in 2025, a 19.8% decline (-31) from 2024.
- Korro Bio, Inc. (United States) had 83 employees in 2024, a 4.4% decline (+3) from 2023.
- Korro Bio, Inc. (United States) had 80 employees in 2023, a 2.2% decline (+2) from 2022.
Korro Bio, Inc. (United States)'s total workforce has declined from 73 employees in 2023 to 50 in 2026. Korro Bio, Inc. (United States)'s headcount peaked at 89 in 2025.
Korro Bio, Inc. (United States) quarterly employee count
| Year | Qtr | Employees | YoY Change | YoY % |
|---|---|---|---|---|
| 2026 | Q1 | 50 | -39 | -23.5% |
| 2025 | Q4 | 52 | -31 | -19.8% |
| 2025 | Q3 | 72 | -2 | -4.1% |
| 2025 | Q2 | 75 | -2 | -6.8% |
| 2025 | Q1 | 89 | +14 | +1.7% |
| 2024 | Q4 | 83 | +3 | -4.4% |
| 2024 | Q3 | 74 | -3 | -4.8% |
| 2024 | Q2 | 77 | +4 | -3.9% |
| 2024 | Q1 | 75 | -5 | -7.9% |
| 2023 | Q4 | 80 | +2 | -2.2% |
| 2023 | Q3 | 77 | +6 | -1.3% |
| 2023 | Q2 | 73 | +6 | +0.9% |
See Korro Bio, Inc. (United States)'s complete headcount history, including quarterly breakdowns.
Get the DataKorro Bio, Inc. (United States) Employee Count by Region (2026)
North America accounts for the largest share of Korro Bio, Inc. (United States)'s global workforce with approximately 95% of total employees, followed by Western Europe and Southern Europe.
Korro Bio, Inc. (United States) employees by region
| Region | Employees | % of Total |
|---|---|---|
| North America | 46 | 94.7% |
| Western Europe | 2 | 3.7% |
| Southern Europe | 1 | 1.6% |
Drill into city-level data, hiring trends by region, and historic geographic shifts.
Unlock Geographic DataKorro Bio, Inc. (United States) Employee Count by Department (2026)
Korro Bio, Inc. (United States)'s employee groups are Engineering (51.3%), Finance and Operations (40.0%), and Sales and Marketing (8.7%).
Korro Bio, Inc. (United States) employees by department
| Department | Employees | % of Total |
|---|---|---|
| Engineering | 26 | 51.3% |
| Finance and Operations | 20 | 40.0% |
| Sales and Marketing | 4 | 8.7% |
Compare Korro Bio, Inc. (United States)'s department mix to industry peers.
See Full DataKorro Bio, Inc. (United States) Employee Salary by Region (2026)
Korro Bio, Inc. (United States)'s average employee salary is $194,163 globally. Employees in North America receive the highest compensation.
Korro Bio, Inc. (United States) median employee salary by region (USD)
| Region | Median Salary |
|---|---|
| North America | $171,000 |
Unlock salary by role, level, and city — and compare to Korro Bio, Inc. (United States)'s industry peers.
Unlock Salary DataKorro Bio, Inc. (United States) Job Openings and Hiring Trends (2023-2026)
- Korro Bio, Inc. (United States) had 9 active job postings in 2026, a 28.6% decline (+5) from 2025.
- Korro Bio, Inc. (United States) had 4 active job postings in 2025, a 105.9% decline (-9) from 2024.
- Korro Bio, Inc. (United States) had 13 active job postings in 2024, a 146.7% increase (+11) from 2023.
- Korro Bio, Inc. (United States) had 2 active job postings in 2023, a 120.0% decline from 2022.
- Hiring velocity in 2026: 3 new roles/month, down from 4 in 2025 and 5 in 2024.
Korro Bio, Inc. (United States)'s hiring is slowing: active job postings fell 28.6% in 2026 to 9, with new postings per month cooling from 5 in 2023 to 3 in 2026.
Track new postings per month, role-level demand, and hiring velocity vs. peers.
Unlock Hiring DataKorro Bio, Inc. (United States) Employee Sentiment (2026)
Revelio Labs tracks employee sentiment across Korro Bio, Inc. (United States)'s workforce based on public professional data. Overall sentiment is neutral and has improved year over year in 2026.
Overall
Unlock the full sentiment breakdown by department, tenure, and trend over time.
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Frequently Asked Questions About Korro Bio, Inc. (United States)
- How fast is Korro Bio, Inc. (United States) growing?
- In 2026, Korro Bio, Inc. (United States)'s headcount shrank 23.5% to 50 employees, down from 89 in 2025.
- See the full headcount history
- Where are Korro Bio, Inc. (United States) employees located?
- Most Korro Bio, Inc. (United States) employees are based in North America (94.7% of headcount), followed by Western Europe and Southern Europe.
- Explore where the workforce is based
- What is the average salary at Korro Bio, Inc. (United States)?
- The average employee salary at Korro Bio, Inc. (United States) is approximately $194.2k per year.
- Analyze the salary distribution
- How many new job postings does Korro Bio, Inc. (United States) open per year?
- In Q1 2026, Korro Bio, Inc. (United States) opened 9 new job postings. In 2025, Korro Bio, Inc. (United States) opened 42 new job postings — about 4 per month.
- Track hiring trends by role
- When was Korro Bio, Inc. (United States) founded and where is it headquartered?
- Korro Bio, Inc. (United States) was founded in 2018 and is headquartered in Cambridge, Massachusetts.
- Compare Korro Bio, Inc. (United States) to industry peers
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