Therapixel
Therapixel develops AI software for medical imaging, specializing in breast cancer screening. The company raised $26M in a Series B round in 2022 and employs 61 people.
The growth story
Therapixel grew from 30 to 61 employees between 2021 and 2026, raising $26M along the way, most recently a Series B in May 2022.
About
Therapixel creates artificial intelligence tools for medical imaging, with a focus on breast cancer detection. Its algorithm won the Digital Mammography DREAM Challenge, a major AI competition. The company initially developed visualization software for surgeons, enabling faster access to medical images through gesture control and intuitive interfaces.
The company has raised $26M, most recently in a Series B round in 2022. It employs 61 people, though its recent headcount growth rate is unclear.
Founders and leadership
Therapixel's largest function is engineering, with 12 employees. The company is led by a team with backgrounds in medical imaging and AI, though specific leadership details are not provided.
The Therapixel org chart
Matthieu Leclerc-Chalvet, PhD (CEO) leads 23 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: Engineering 13 (+8% YoY), Business Development 12 (-8% YoY), Information Technology 6 (-14% YoY), Product Management 5 (+25% YoY), Entrepreneurship 3 (0% YoY), Research 3 (+50% YoY).
Talent flow
Therapixel recruits heavily from research institutions, with Inria being the top source. Alumni often move to other medical imaging companies, with Mistral being the most common destination.
Most common previous employers of Therapixel staff: Inria (4), INSERM (2), Cardiologs (2), Hologic (2), Therapixel (2), CEA (2). Former Therapixel employees most often moved to Mistral (3), AZmed (2), Seno Medical (2), Deemea (1), UI Investissement (1), Pixtell (1).
Alumni worth knowing
The Therapixel mafia
Therapixel alumni have founded at least six companies, including AZmed, which employs 103 people, and Deemea, which has 20 staff.
6Alexandre Attia, was Deep Learning Research Intern until 2018Charlotte Pouchy, was Cinical Research Director until 2018Robin Goupil, was Project Manager | R&D Engineer until 2018Hassan-Roland Nasser, was Market Intelligence Specialist until 2016Antoine Tonneau, was Business Development Manager - Europe, Scandinavia & APAC until 2017Maximilien Fournier Sourdille, was Board Member until 2019Web traffic
Traffic mix: 0% direct, 0% search, 0% social, 0% paid.
What this company is made of
Most common skills at Therapixel: Project Management (21), Python (Programming Language) (20), C++ (18), Medical Imaging (15), English (14), Machine Learning (14), Microsoft Office (14), SQL (12).
Where the team actually sits
Therapixel people are concentrated in France (9), Île-de-France, France (8), Greater Paris Metropolitan Region (7), Provence-Alpes-Côte d'Azur, France (3). 2 offices on record.
Search footprint
Therapixel attracts about 35 organic search visits a month, traffic worth roughly $0K a month if bought through ads. It gained 1 ranking keywords and lost 7 in the last period.
What employees say
- Compensation
- 5.00 / 5
- Career opportunities
- 5.00 / 5
- Senior management
- 5.00 / 5
- Work-life balance
- 5.00 / 5
Frequently asked
Therapixel has 61 employees as of September 2026.
Therapixel has raised $26M in total, most recently a Series B round in May 2022.
Therapixel was founded in 2013 by Gael Varoquaux, Pierre F., Maxime Sermesant.
Matthieu Leclerc-Chalvet, PhD (CEO) sits at the top of Therapixel's reporting structure, with 6 direct reports.
The most common previous employers of current Therapixel staff are Inria (4 people), INSERM (2 people), Cardiologs (2 people).
Former Therapixel employees most often move to Mistral (3), AZmed (2), Seno Medical (2).
At least 6 companies have a founder who previously worked at Therapixel, including AZmed, Deemea, ZANEFFI.
Therapixel attracts about 35 organic search visits a month, worth roughly $0K a month in equivalent ad spend.
The most common skills among Therapixel staff are Project Management, Python (Programming Language), C++, Medical Imaging, English.
Therapixel staff are concentrated in France (9), Île-de-France, France (8), Greater Paris Metropolitan Region (7).
Therapixel has about 13 people in Engineering, up 8% over the past year, as of September 2026.
Therapixel has about 12 people in Business Development, down 8% over the past year, as of September 2026.
Computed from 48 current and 50 former Therapixel profiles, as of September 2026. Source: Crustdata.
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