NASDAQ: KROS

How many employees work at Keros Therapeutics?

Keros Therapeutics, Inc. (KROS) has approximately 78 total employees worldwide as of March 2026, according to Revelio Labs workforce intelligence data. Keros Therapeutics’s total headcount has declined 9.9% from 86 employees in 2023 to 78 in 2026.

Data source: Revelio LabsCoverage: Global workforce, 2023–2026Published August 2026

Is Keros Therapeutics hiring right now?

Yes, Keros Therapeutics is actively hiring. Keros Therapeutics had 33 active job postings in 2026, a 53.8% increase from 2025 — see job openings & hiring trends.

About Keros Therapeutics’s Workforce

Keros Therapeutics, Inc. (KROS) is a Pharmaceuticals company that employs 78 people worldwide as of March 2026. It is the 10th-largest by headcount among its peers. Founded in 2015, the company is headquartered in Lexington, Massachusetts and trades on the NASDAQ.

Keros Therapeutics's workforce has declined 9.9% from 2023 to 2026, down 10.3% year over year in 2026. It fell to a low of 61 in 2025 Q3 before recovering. Its workforce is concentrated most in North America (94.8%), followed by Sub-Saharan Africa (5.2%).

Keros Therapeutics's functional groups are Finance and Operations (41.4%), Engineering (34.0%), and Sales and Marketing (24.6%), with Engineering growing fastest (up 18.9%). The average salary is $163,010, highest in North America at a median of $157,000, down 4.6% year over year in 2026.

Keros Therapeutics's active job postings rose 53.8% in 2026 to 33, with new postings per month cooling from 16 in 2023 to 15 in 2026. Overall employee sentiment is neutral but declining.

Sourced from Revelio Labs workforce data.

Ticker
NASDAQ: KROS
Headquarters
Lexington, Massachusetts
Founded
2015
Industry
Pharmaceuticals
Employees
78
YoY
-10.3% (-34)

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Keros Therapeutics Annual Employee Count (2023-2026)

Interactive chart of Keros Therapeutics annual worldwide employee count from 2023 to 2026.
  • Keros Therapeutics had 78 employees in 2026, a 10.3% decline (-34) from 2025.
  • Keros Therapeutics had 78 employees in 2025, a 10.1% decline (-37) from 2024.
  • Keros Therapeutics had 115 employees in 2024, a 5.3% increase (+23) from 2023.
  • Keros Therapeutics had 92 employees in 2023, a 11.0% increase (+19) from 2022.

Keros Therapeutics's total workforce has grown from 61 employees in 2025 to 78 in 2026. Keros Therapeutics's headcount peaked at 115 in 2024 before declining in 2025 and recovering through 2026.

Keros Therapeutics, Inc. quarterly employee count

YearQtrEmployeesYoY ChangeYoY %
2026Q178-34-10.3%
2025Q478-37-10.1%
2025Q361-49-20.7%
2025Q291-13-1.0%
2025Q1112+16+4.7%
2024Q4115+23+5.3%
2024Q3110+21+7.2%
2024Q2104+18+7.7%
2024Q196+20+13.4%
2023Q492+19+11.0%
2023Q389+18+7.1%
2023Q286+22+6.7%

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Keros Therapeutics Employee Count by Region (2026)

North America accounts for the largest share of Keros Therapeutics's global workforce with approximately 95% of total employees, followed by Sub-Saharan Africa.

Keros Therapeutics employees by region

RegionEmployees% of Total
North America7194.8%
Sub-Saharan Africa45.2%

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Keros Therapeutics Employee Count by Department (2026)

Keros Therapeutics's employee groups are Finance and Operations (41.4%), Engineering (34.0%), and Sales and Marketing (24.6%).

Keros Therapeutics employees by department

DepartmentEmployees% of Total
Finance and Operations3241.4%
Engineering2634.0%
Sales and Marketing1924.6%

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Keros Therapeutics Employee Salary by Region (2026)

Keros Therapeutics's average employee salary is $163,010 globally. Employees in North America receive the highest compensation.

Keros Therapeutics median employee salary by region (USD)

RegionMedian Salary
North America$157,000

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Keros Therapeutics Job Openings and Hiring Trends (2023-2026)

Interactive chart of Keros Therapeutics annual active job postings from 2023 to 2026.
  • Keros Therapeutics had 33 active job postings in 2026, a 53.8% increase (+19) from 2025.
  • Keros Therapeutics had 14 active job postings in 2025, a 7.4% increase (+1) from 2024.
  • Keros Therapeutics had 13 active job postings in 2024, a 8.0% increase (+1) from 2023.
  • Keros Therapeutics had 12 active job postings in 2023, a 88.4% decline from 2022.
  • Hiring velocity in 2026: 15 new roles/month, up from 9 in 2025 and 18 in 2024.

Keros Therapeutics's active job postings rose 53.8% in 2026 to 33, with new postings per month cooling from 16 in 2023 to 15 in 2026.

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Keros Therapeutics Employee Sentiment (2026)

Revelio Labs tracks employee sentiment across Keros Therapeutics's workforce based on public professional data. Overall sentiment is neutral and has declined year over year in 2026.

Overall

NegativePositive

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Frequently Asked Questions About Keros Therapeutics

How fast is Keros Therapeutics growing?
In 2026, Keros Therapeutics's headcount shrank 10.3% to 78 employees, down from 112 in 2025.
See the full headcount history
Where are Keros Therapeutics employees located?
Most Keros Therapeutics employees are based in North America (94.8% of headcount), followed by Sub-Saharan Africa.
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What is the average salary at Keros Therapeutics?
The average employee salary at Keros Therapeutics is approximately $163k per year.
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How many new job postings does Keros Therapeutics open per year?
In Q1 2026, Keros Therapeutics opened 44 new job postings. In 2025, Keros Therapeutics opened 111 new job postings — about 9 per month.
Track hiring trends by role
When was Keros Therapeutics founded and where is it headquartered?
Keros Therapeutics was founded in 2015 and is headquartered in Lexington, Massachusetts.
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