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The Team

Our team has many talents and can manage digital health projects from conception to implementation.

Passionate about digital health innovations, our doctors, pharmacists, developers, algorithms wizards, UX specialists, psychologists, engineers and statisticians are driven by a common desire: to participate in the digital revolution of medicine by providing new services to patients and doctors.

At Ad Scientiam, we are developing medical self-assessment solutions on smartphone, tailored to each disease, thanks to our wide range of expertise:

  • Development of user-centric applications, with patients involved at each step of the development cycle

  • Creation of new assessment scales on smartphone, starting from medical gold standards

  • Creation and animation of KOL network in each therapeutic area to contribute to research activities

  • Collection and analysis of real-world medical data

  • Quality and regulatory expertise

Being at the center of a dynamic medical and research ecosystem, Ad Scientiam has the right team to apply its innovative approach to all major chronic diseases (MS, Alzheimer’s, depression, Parkinson’s, ADHD…)


We are recruiting : join our team

Team Members

Liouma Tokitsu

CEO & Founder

Engineer in Information Systems and Software Engineering from EPITA, Liouma also acquired an experience in sales at Cap Gemini. He created and managed several service companies during his career including Pharmaceutical Management Services. Founder of Ad Scientiam in 2013, Liouma Tokitsu is a member of Startup Leadership Program.



Dr Jean-Pierre Lehner

Chairman of the Scientific Board

Jean-Pierre started his career as a cardiologist at the Bichat Hospital before joining Roussel Laboratories in 1981 as Medical Director. He was successively Senior Director of Clinical Investigations of Sanofi Recherche, Scientific Senior Director of Sanofi Winthrop, Vice President Medical Affairs Europe of Sanofi-Aventis, Senior Vice-President, Medical & Regulatory Affairs of Sanofi-Aventis and Chief Medical Officer of Sanofi before he retired in 2013.



Dr Daniel Gérard

Member of the Scientific Board

Daniel is a Psychiatrist and was previously the Head of Chronic Diseases Access to Medicine at Sanofi





Dr Saad Zinaï

Chief Medical Officer

Saad has a MD and is a graduate of the ESCP Europe Business School.

After a clinical experience in radiology (Charles-Foix, Pierre et Marie Curie University), he spent 25 years in 2 major pharma groups (Sanofi-Aventis and Recordati) where he held marketing, medical and commercial positions.

Appointed France medical-marketing director at Recordati in 2000, he set up the addiction business unit and launched several successful products (Hypertension, Migraine, Allergy, Urology, OTC and generics.)

He plays keyboards in a funk/jazz band and collects vintage watches. He joined Ad Scientiam in 2016



Aleksandra Polosukhina

Scientific Adviser

Aleksandra, is equipped with 10 years experience in neuroscience; she obtained her PhD at UC Berkeley after successfully restoring vision to blind mice and later worked as a scientific fellow at the Institute Pasteur in Paris on topics ranging from psychiatry, memory, and neurogenesis.   She then pursued a Specialised MS in Biopharmaceutical Management at ESCP Paris and worked as an Analyst at Momenta Partners, a Strategic Advisory firm in Digital Transformation.   She has joined AdScientiam in 2019 as a Scientific Advisor  is bringing her experience in scientific and business domains.

Mourad Lafer

Technical Architect / Chief Technical Officer

Mourad is an IT Technical Architect background with focus on custom developed software. Over 20 years’ experience in various domains of applications design and development such as: Application and Enterprise Architecture, Technical specification, Application and Systems Development, Application performance management, Tests and validation, Customer training.




Fabien Bertillot

Data scientist

Graduated in fundamental physics (Paris Diderot University), Fabien used his quantitative skill set to connect physical approaches to biological processes associated with cancer during his PhD at Institut Curie Research Center. He is now in charge of developping signal processing and artificial intelligence algorithms at Ad Scientiam.  




Térence Brochu

CXO (Chief eXperience Officer)

Térence has a background in cognitive psychology, neuropsychology, ergonomics and UX design. Co-founder of Ad Scientiam, he ensures a user centered approach by integrating patient and clinician insights through the design process of Ad Scientiam solutions.



François de Berry

Mobile Technical Leader

Expert in computer sciences, graduated at EPITECH, François quickly specialized in mobile technologies. Since 2013, he is in charge of the development and evolution of innovative mobile solutions developed by Ad Scientiam.




Séverine Bieuvelet, Ph.D

Head of Clinical Research

Séverine has a PhD in Physiology and Physiopathology from the University Pierre et Marie Curie (Paris, France). After a fundamental research dissertation, she joined Pileje laboratory in 2003 to manage pre-clinical and clinical studies on leading products (probiotics and dietary supplements). In 2015, she joined RaDiCo-Inserm to manage rare disease cohorts in various therapeutic areas. A seasoned professional in interventional and non-interventional clinical trials management, Séverine joined Ad Scientiam at the end of 2016.



Anne-Laure Argoud

Clinical Study coordinator

Anne-Laure has worked 3 years as a project manager in the French Research Agency on AIDS and viral hepatitis (ANRS).

Her missions were setting up and managing clinical trials evaluating new therapeutic strategies and physiopathological studies investigating HIV comorbidities.

Anne-Laure joined Ad Scientiam at the end of 2016 to coordinate our clinical studies.



Guillermo Plaza

Product Owner

Guillermo studied industrial engineering (Universitat Politècnica de Catalunya et Technische Universität Darmstadt). His background in software development in the German automotive industry has allowed him to develop strong skills in project management, planning and coordination.



Amélie Martinez

Regulatory Affairs & Quality Manager

Holder of an MBA in biotechnology management, Amélie worked for 5 years in the field of in vitro diagnostic medical devices, and held the positions of project manager, new product development & quality assurance, and strategic & operational product manager. Amélie joined Ad Scientiam in 2017 and is in charge of the software medical device CE marking, the implementation of the ISO 13485 Quality Management System. She also ensures compliance with the General Data Protection Regulation (GDPR).

Dr Yann Le Coz

Expert Patient in Multiple Sclerosis, patients association representative (voluntary)

Yann Le Coz has a M.D. and is a former intern of Paris Hospitals. After several experiences in the pharmaceutical industry in clinical and marketing activities (Servier, Rhône Poulenc, Wyeth, Sangstat), he is struck by Multiple Sclerosis. He then gets involved in the MS associative world to help patients. He bring his patient-expert experience to the development of our MS solution, as a volunteer.




Matthieu Lamy

U.S. Operations

Matthieu graduated from France leading Business School (HEC Paris), with a Master in Management and a specialization in Corporate Finance.

Based in Seattle since end 2016, he is working on the set-up of Ad Scientiam activities in the U.S. Matthieu has 10-year experience in Strategic and Transformation Consulting, in an international environment (France, Belgium, Italy, Turkey, UK, USA) on the set-up of new business activities, the launch of new service offers and the implementation of complex transformation programs