About us

Vision & Mission

C4Diagnostics is developing in vitro diagnostics kits based on its proprietary technology, with the following specifications in mind:

Simple for the lab, fast and accurate for the patient and the medical community: actionable medical information for medical professionals.

C4Diagnostics aims at disrupting the global market of infectious diseases IVD by:

  • Delivering faster highly sensitive results
  • Addressing unmet medical needs

C4Diagnostics develops and commercializes IVD kits based on its proprietary, versatile, phenotypic and simple technology.


September 2020 : Evolution of BEC-SARS-CoV-2 Environment (version 2) : C4Covid19 Environment
C4Reader T8, lecteur pour les tests Covid19

June 2020 : Launch of BEC-SARS-CoV-2 Environment, a rapid and on-site environmental testing

End of April 2020 : Launch of C4Services, our solution for detecting COVID-19
Logo C4Services

April 2020 : Implementation and coordination of COMETE (Covid-19 Marseille Environnemental Testing)
COMETE (Covid-19 Marseille Environnemental Testing)

December 2019 : Series A Fundraising € 2.3 Millions
Fundraising 2019 of C4Diagnostics

September 2019 : C4Legio™ available
C4Legio kit- C4Diagnostics

March 2019 : execution of key distribution agreements
Map of the distributors of C4Diagnostics' products

January 2019 : ISO 13485 certification
C4Diagnostics certified iso 13485

Spring 2018 : Fundraising €1.5 Million
Spring 2018 : Fundraising €1.5 Million

May 2017 : inception of C4Diagnostics
May 2017 : inception of C4Diagnostics

Our Commitments

ISO 13485 standards

C4Diagnostics commits to deliver accurate medical information with products designed and manufactured according to the highest standards.

Lloyd’s Registrer (Notified Body) ISO 13485:2016 certified C4Dx in January 2019


C4Diagnostics’ management team has significant and complementary experience in the development, implementation, and commercialization of infectious diseases in vitro diagnostics.

Today, the C4Diagnostics’ team includes 15 full time jobs and 3 part-time jobs.

Heads of

Younes Lazrak

Younes Lazrak

Founder & CEO

Before cofounding C4Diagnostics, Younes worked in Business Development and IP management in several in vitro diagnostics companies (Incl. Ipsogen & Qiagen), with an impressive track record. His main responsibilities were Licensing in & out and the management of the industrial intellectual ownership, before progressively shifting to Business development and alliances management.

Damien Thomas

Damien Thomas

Head of R&D and Industrialization

After a PhD in microbiology and immunology, Damien has worked in different IVD private companies. For Ingen/Eurobio, Damien was in charge of R&D and Industrialization teams. Then, he managed the Manufacturing, Quality Control, Logistic team’s for Theradiag and Operation management for IDS. He joined in the summer 2019 C4Diagnostics as Head of R&D and Industrialization.

Thierry Maunier

Thierry Maunier

Head of Quality & Regulatory Affairs

Quality Engineer & M.Sc. in Microbiology and Immunology, Thierry served as Quality Assurance and Quality Control Manager in various Medical Device design and manufacturing companies. Quality Systems he implemented and managed have efficiently fulfilled international standards (ISO13485, ISO9001) & International Regulation requirements (MDR, MDIVD, 21CFRs, SOR).

Board & Advisors

Émilie Fugier

Émilie Fugier

Founder & R&D Team Leader / Board member

PhD in microbiology and immunology, Emilie has managed various scientific projects involving different pathogenic organisms with industries (CHEMUNEX) and hospitals (CHU Grenoble, Hôpital St-Joseph Marseille). In 2012, she joined Sam Dukan’s team in the CNRS to work on the technology used by C4Diagnostics. She is now collaborating on all R&D projects.

Gaël Combemale

Gaël Combemale

Chief Financial Officer

With a Master in Business management and Administration, Gaël has 5 years of experience in ERP, as well as 6 years in corporate financial management. Since January 2020, he joined the C4Diagnostics’ team and manages of all the financial aspects.

Sam Dukan

Sam Dukan

Founder & Scientific Advisor

Former student of the Ecole Normale Supérieure in Paris, then research director leading a team of up to 12 people in CNRS (National Center of Scientifical research), Sam has worked during his all career within big groups like Suez Environnement or CIBA, on application challenges, witnessing technical and operationnal adaptability. Author of 45 scientific publications and co-inventor of 8 patents, Sam is scientifically advising the C4Diagnostics’ projects. He is also the CEO of Diamidex.


Medical Affairs

Medical Affairs – 20+ years exp.

Independant (former Qiagen, EMD Serono)


Board member

Investment and growth capital – 5 years exp.

Associate (Turenne Capital)


Board member

Finance – 10 years exp.

Manager in Investment Department (ACG Management)

Jean-François GRENIER

Market Access

Strategy advisor – 25+ years exp.

Angels santé (former Bayer, Bristol-Myers Squib)


Board member

Accounting management – 20+ years exp.

General Manager (Cisbio Bioassays)


Board member


Managing Director (Click Chemistry Tools)


Board member

FInance – 30+ years exp.

Investment Manager (CAAP Création)