Mendel.ai
Mendel.ai develops AI software for clinical data analysis, using large language models and a proprietary clinical hypergraph. The San Jose-based company has raised $65M, most recently in a Series B round in March 2022, and employs 67 people.
The growth story
Mendel.ai grew from 31 to 67 employees between 2021 and 2026, raising $65M along the way, most recently a Series B in March 2022.
About
Mendel.ai builds AI tools to process and analyze clinical data for healthcare organizations. Its system combines large language models with a specialized clinical hypergraph to provide scalable clinical reasoning with full explainability, addressing the challenge of AI hallucinations in medical contexts.
The company has raised $65M from investors including Oak HC/FT and DCM Ventures, with its latest Series B round closing in March 2022. Mendel.ai employs 67 people, drawing heavily from healthcare and pharmaceutical backgrounds, with notable talent sources including EVA Pharma and AstraZeneca.
Founders and leadership
Mendel.ai's organization appears lean, with research being the most prominent function. The company has a median tenure of 2 years, suggesting moderate turnover.
The Mendel.ai org chart
Scarlett Williams (Co-Founder) leads 11 mapped leaders with 2 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 30 (-36% YoY), Engineering 5 (-44% YoY), Operations 5 (-17% YoY), Administrative 4 (0% YoY), Information Technology 3 (-40% YoY), Human Resources 3 (-40% YoY).
Talent flow
Mendel.ai recruits heavily from the healthcare sector, with EVA Pharma and AstraZeneca being top talent sources. Alumni frequently move to Ensemble Health Partners and Amazon, indicating a mix of healthcare and tech career paths. The company draws heavily from Egyptian universities, particularly The German University in Cairo and Ain Shams University.
Most common previous employers of Mendel.ai staff: EVA pharma (8), AstraZeneca (5), Children's Cancer Hospital - Egypt 57357 (4), The German University in Cairo (4), Rameda Pharmaceuticals (2), El Ezaby Pharmacy (2). Former Mendel.ai employees most often moved to Ensemble Health Partners (47), Amazon (7), Kasr AlAiny School of Medicine, Cairo University (5), IQVIA (3), DataClin CRO (3), Meta (3).
Alumni worth knowing
The Mendel.ai mafia
Mendel.ai alumni have founded several companies, including Start-Up (4469 staff), The Human Dash, and Ackoo. These ventures span healthcare, analytics, and AI consulting.
6Omar Shaker MD, was Marketing and Medical Director until 2013Ali Hassan, was Front End Developer until 2019Muhamed Elnaggar, was Clinical Data Specialist until 2024Kamal Mahmoud MSc. PMP®, was Program Manager until 2025Jason Dong, was Head of BizOps until 2025What this company is made of
Most common skills at Mendel.ai: Python (Programming Language) (28), Communication (23), Microsoft Office (20), Software Development (18), Teamwork (17), Management (17), Research Skills (16), SQL (16).
Where the team actually sits
Mendel.ai people are concentrated in Cairo, Egypt (34), Egypt (5), California, United States (4), Massachusetts, United States (2).
What employees say
- Compensation
- 3.60 / 5
- Career opportunities
- 3.70 / 5
- Senior management
- 3.60 / 5
- Work-life balance
- 3.50 / 5
Frequently asked
Mendel.ai has 67 employees as of September 2026.
Mendel.ai has raised $65M in total, most recently a Series B round in March 2022.
Mendel.ai was founded in 2017 by Scarlett Williams.
Scarlett Williams (Co-Founder) sits at the top of Mendel.ai's reporting structure, with 2 direct reports.
The most common previous employers of current Mendel.ai staff are EVA pharma (8 people), AstraZeneca (5 people), Children's Cancer Hospital - Egypt 57357 (4 people).
Former Mendel.ai employees most often move to Ensemble Health Partners (47), Amazon (7), Kasr AlAiny School of Medicine, Cairo University (5).
At least 6 companies have a founder who previously worked at Mendel.ai, including Start- Up, The Human Dash, Ackoo.
The most common skills among Mendel.ai staff are Python (Programming Language), Communication, Microsoft Office, Software Development, Teamwork.
Mendel.ai staff are concentrated in Cairo, Egypt (34), Egypt (5), California, United States (4).
Mendel.ai has about 30 people in Research, down 36% over the past year, as of September 2026.
Mendel.ai has about 5 people in Engineering, down 44% over the past year, as of September 2026.
Computed from 48 current and 248 former Mendel.ai profiles, as of September 2026. Source: Crustdata.
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