About Exosiris

Exosiris is pioneering nanomedicine for targeted therapeutic delivery, enabling innovative treatments in oncology, for regenerative medicine and autoimmune diseases, making advanced therapies accessible worldwide.

Two people in lab coats collaborate in an office setting. One is seated and pointing at a computer screen displaying medical images, while the other stands nearby holding a tablet. Large windows reveal a view of greenery outside, creating a bright and professional environment.
Two people in lab coats collaborate in an office setting. One is seated and pointing at a computer screen displaying medical images, while the other stands nearby holding a tablet. Large windows reveal a view of greenery outside, creating a bright and professional environment.
Democratization of therapies for unmet clinical needs, transforming healthcare together

Leadership Team

Maria Loustau, Ph.D. – CSO
Biotech leader with nearly 20 years of experience in immunotherapy R&D and management. Developer of first-in-class anti-HLA-G CAR-T cells and pioneer in antibodies, nanobodies, and checkpoint targets. Co-inventor on 7 patents, recipient of CPRIT funding, and recognized twice by MATWIN for innovation.

Leadership

Julien Caumartin, Ph.D. – CEO
Immunologist with 15+ years of expertise in tumor immune evasion and CAR-T engineering. Co-developed the first anti-HLA-G CAR-T cells (now in clinical trials at MD Anderson) and advanced novel CAR strategies against “undruggable” tumor antigens. Recognized leader in bridging fundamental immunology with translational innovation.

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Scientific Co-Founders & Advisors

Recreate the future

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low angle view photography of a gray building
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pink metal frame photo
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white building
white building
white building

Dr. XX

Dr. XX

Dr. XX

Dr. XX