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Alex SionneauAS

Alex Sionneau

Architect & 3D Visualizer | Premium Images

€400/day
Angoulême, FR
0-2 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Alex

Former collaborator at Kengo Kuma & Associates and Chartier-Dalix agencies, I combine a solid architectural project culture with the power of new AI automation tools.

I create high-fidelity visuals for all project scales, from the initial conceptual thinking phases to competition presentations and sales materials.

Why collaborate with me?
  • Architectural Culture: My training and experience in renowned agencies allow me to immediately understand your spatial, constructive, and atmospheric challenges.
  • Hybrid Workflow (AI + 3D): I use custom-trained AI models (LoRAs) to ensure rigorous architectural accuracy while bringing a unique emotional depth to each image.
  • Responsiveness and Iteration: This innovative pipeline allows for great agility in design evolution, offering a flexible and responsive service for architects, developers, and private clients.

My services:
  • Competition Visualization: Creation of strong atmospheres to make an impact. (Images and videos)
  • Material Studies: Research of textures and light during the design phase.
  • Visual Storytelling: Narrating your projects to convince your partners.
  • French

    Native or bilingual

  • English

    Fluent

  • Spanish

    Fluent

Remote only
Primarily works remotely

Experience

  • Atelier du Réel
    Founder & Creative Director
    November 2025 - Today (7 months)
    - High-fidelity architectural imagery: Creation of renderings and cinematic videos combining professional rigor and responsiveness, thanks to an AI-optimized hybrid methodology.

    - Formal exploration and iteration: Development of custom models (LoRAs) to accelerate conceptual research, without compromising the project's materiality or constructive coherence.

    - Design and decision-making assistance: Instant translation of volumes into mood studies to validate spatial intentions and urban integration, from concept to competition.
    Architectural Visualization 3D Rendering Artificial Intelligence Architecture Competition LoRa
  • Kengo Kuma & Associates
    Project Assistant
    September 2024 - February 2025 (5 months)
    Paris, France
    - Visualization: Development of atmospheres and technical renderings for hotel complexes and high-rise towers, ensuring the aesthetic finesse specific to the agency.

    - Mastery of complex geometries: High-fidelity modeling and management of technical production on large-scale projects, ensuring the fluidity of the transition from idea to visual.

    - Strategic reinforcement for competitions: Intensive production of graphical pieces and high-impact visuals for international competitions, under tight deadlines and critical quality requirements.
  • Chartier-Dalix Architectes
    Project Assistant
    February 2024 - August 2024 (6 months)
    Paris, France
    - Graphic and strategic storytelling: Production of complete technical dossiers and diagrams for major urban competitions, ensuring visual coherence and the project's narrative strength.

    - Formal research and materiality: Development of structural iterations and detailed facade studies, bridging the gap between technical tectonics and image poetics.

    - BIM and graphic automation: Implementation of automated workflows on large-scale projects to optimize production and ensure a high level of detail across all visual documents.

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Education

  • State Diploma of Architect (DEA)
    ENSA Normandie
    2025

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