Iterative Health
Iterative Health is an AI-powered clinical research platform that helps pharmaceutical companies accelerate drug trials. The company has raised $269M, including a Series C in April 2026, and employs 203 people.
The growth story
Iterative Health grew from 34 to 203 employees between 2021 and 2026, raising $269M along the way, most recently a Series C in April 2026.
About
Iterative Health sells AI tools to streamline clinical trials for drug developers. Its software helps research teams identify and enroll patients faster, aiming to speed up therapeutic development.
The company has raised $269M, with backers including Breyer Capital and Clearlake Capital. Its Series C closed in April 2026, though headcount growth figures are unavailable.
Founders and leadership
Research is the largest function with 19 employees. The company has dual headquarters in Cambridge, MA and New York, NY.
The Iterative Health org chart
Jonathan Ng (CEO) leads 60 mapped leaders with 6 direct reports. Click +N to expand a team; names link to the person’s public profile.
Departments, and which ones grew
Headcount by function: Research 46 (+171% YoY), Healthcare Services 23 (+156% YoY), Engineering 19 (-24% YoY), Legal 15 (+150% YoY), Human Resources 14 (+75% YoY), Business Development 13 (-7% YoY).
Talent flow
The company recruits heavily from healthcare providers like GI Alliance (7 hires) and clinical research firms like Velocity Clinical Research (5). Alumni frequently move to medical device makers like Boston Scientific (6 departures).
Most common previous employers of Iterative Health staff: GI Alliance (7), Velocity Clinical Research (5), Boston Consulting Group (BCG) (4), Amazon (4), Northeastern University (3), Brigham and Women's Hospital (3). Former Iterative Health employees most often moved to Boston Scientific (6), Google (4), Olympus (3), Syneos Health (3), Prenuvo (2), Chewy (2).
Alumni worth knowing
The Iterative Health mafia
15 alumni have founded companies, including Gensaic (16 staff) and Leviant (12 staff). One unnamed venture has 23 employees.
15Abhayjeet Singh Juneja, was Machine Learning Engineer until 2023Lavi Erisson, MD, was Chief Business & Medical Officer until 2021David Eigen, was Board Observer until 2021Richard K., was Chief Operating Officer and Board Member until 2023Brice Wu, was Chief Product Officer until 2023
Karen Tay, was Chief of Staff to CEO / Head (Senior Director) of Strategy and Operations until 2023
Christian Ulstrup, was Head of Product & Technology until 2018
Claudia Li Johnson, was Executive Assistant until 2023
Sahir Raoof, was VP, Head of Business Development until 2024
Pete Sally, was Observer until 2022
Beth Jacobson, was Senior Technical Recruiter until 2023
Alexander Kraik, was Head of Special Projects; Executive Team Member until 2022
Prasun Sharma, was Machine Learning Engineer until 2023
Jeremy Langley, was Sr. Software Engineer until 2022Hiring now
Web traffic
Traffic mix: 0% direct, 0% search, 0% social, 0% paid.
What this company is made of
Most common skills at Iterative Health: Microsoft Office (72), Research Skills (66), Microsoft Excel (60), Clinical Research (60), Communication (59), Leadership (59), Project Management (55), Good Clinical Practice (GCP) (55).
Where the team actually sits
Iterative Health people are concentrated in New York, United States (25), Massachusetts, United States (17), Texas, United States (15), United States (11).
Search footprint
Iterative Health attracts about 255 organic search visits a month, traffic worth roughly $1K a month if bought through ads. It gained 34 ranking keywords and lost 20 in the last period.
What employees say
- Compensation
- 4.10 / 5
- Career opportunities
- 3.80 / 5
- Senior management
- 3.90 / 5
- Work-life balance
- 3.80 / 5
Frequently asked
Iterative Health has 203 employees as of September 2026.
Iterative Health has raised $269M in total, most recently a Series C round in April 2026.
Jonathan Ng (CEO) sits at the top of Iterative Health's reporting structure, with 6 direct reports.
The most common previous employers of current Iterative Health staff are GI Alliance (7 people), Velocity Clinical Research (5 people), Boston Consulting Group (BCG) (4 people).
Former Iterative Health employees most often move to Boston Scientific (6), Google (4), Olympus (3).
At least 15 companies have a founder who previously worked at Iterative Health, including Coming soon..., Gensaic, Leviant.
Iterative Health attracts about 255 organic search visits a month, worth roughly $1K a month in equivalent ad spend.
The most common skills among Iterative Health staff are Microsoft Office, Research Skills, Microsoft Excel, Clinical Research, Communication.
Iterative Health staff are concentrated in New York, United States (25), Massachusetts, United States (17), Texas, United States (15).
Iterative Health has about 46 people in Research, up 171% over the past year, as of September 2026.
Iterative Health has about 23 people in Healthcare Services, up 156% over the past year, as of September 2026.
Computed from 122 current and 249 former Iterative Health profiles, as of September 2026. Source: Crustdata.
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