The LiACT team
A transdisciplinary team combining clinical expertise, technological innovation and humanistic vision.
Pôle clinique & scientifique
Expertise psychothérapeutique et recherche

Déborah Ducasse
Clinical & Scientific Advisor
Psychiatrist - Expert in psychotherapeutic processes of third-wave CBT, ACT/DBT specialist, scientific research on self-representation, co-author of reference books on borderline disorder.

Véronique Brand-Arpon
Training & Clinical Pedagogy Advisor
PhD in Health Biology, clinical nurse, specialist in ACT, DBT and clinical pedagogy, co-author of reference works.

Martin Leurent
Chief Executive Officer
Neuropsychologist, graduate of École Normale Supérieure and PhD from CentraleSupélec, responsible for strategy, transposition of ACT/DBT protocols into digital artifacts, and liaison with business, institutional and academic partners.
Pôle IA & ingénierie
Architecture technique et intelligence artificielle

Nicolas Lecointe
Chief Research Officer
Responsible for AI vision, model choices and their integration with clinical constraints (security, process alignment), as well as liaison with research teams.
Sylvain Legland
Chief Technology Officer
Drives technical vision and architecture decisions. Responsible for compliance (GDPR, HDS hosting), digital accessibility and sustainable digital practices.
Supported by

Amélie Darras
User & Community Lead
A peer support worker dedicated to recovery, Amélie has been supervising since 2022 an association bringing together 38 volunteers. Together, they facilitate eleven weekly peer support meetings, welcoming nearly 130 participants each week.
The groups she coordinates are based on a twelve-step structure, a model whose effectiveness and socio-economic impact have been documented (Leurent, Ducasse et al., 2024 ).
Within the LiACT project, she represents the voice of users, ensures the experiential grounding of content, and leads an engaged community focused on peer support, values alignment, and sustainable recovery.

Édouard Gasser
Advisor / Board Business
Entrepreneur specializing in health tech, co-founder of Tilak Healthcare (OdySight). Expert in regulatory pathways and market access for digital medical devices.
François Candelon
Advisor / Board Business
Graduate of École Polytechnique, over 30 years at BCG in strategy and digital/AI transformation. Partner at Seven2 in "Value Creation". Brings expertise in AI strategy, value structuring, and relationships with major institutional and industrial players.

Jean-Yves Leber
Family & Caregivers Lead
Committed for many years to supporting loved ones, Jean-Yves brings valuable expertise on the family experience facing inner difficulties and recovery journeys. He supports the inclusion of caregivers in emotional autonomy approaches and facilitates dialogue between users, families, and professionals. Within the LiACT project, he ensures that the voice of loved ones is integrated in an informed, respectful manner, consistent with the principles of self-support.
Our values
What guides every decision in building LiACT.
Scientific rigor
Every feature is grounded in research and validated practices.
Humanity
Technology serving human connection, never replacing it.
Ethics & privacy
Your data belongs to you. Complete transparency on how it's used.
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