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FOST Studio

Animation
Open roles
0
Founded
2018
Employees
51-200
Offices
2

About FOST Studio

FOST Studio is a French animation production and service studio specializing in traditional and digital 2D animation, alongside pre-production for animated and CGI projects. Founded in 2018 by Damien Brunner, Didier Brunner and Thibaut Ruby, it works on feature films, television series, streaming productions and short-form media. Its teams operate across Paris and Angoulême, supporting French and international productions.

The studio grew from an artist workshop assembled at Folivari in 2014 for projects including The Big Bad Fox and Other Tales and Ernest & Célestine, The Collection. That workshop provided the foundation for a permanent animation manufacturing business. FOST subsequently developed an independent commercial service offering, working both on Folivari productions and for external studios and international partners.

From visual development to finishing

FOST supports projects from early artistic development through animation and finishing. Its pre-production work includes concept art, character and prop design, storyboarding, animatics, environment design and background layout. Production capabilities encompass hand-drawn animation, cutout and digital puppet animation, followed by cleanup, ink and paint, color styling, compositing and visual effects integration.

The studio also contributes to hybrid and CGI projects through design, modeling and preview work. Technical and production supervisors coordinate project-specific workflows across multiple studios and international coproduction partners, allowing FOST to provide individual production stages or a broader animation pipeline according to a project's requirements.

Selected production work

Its feature work includes animation services on My Father's Dragon, animation sequences and post-production management on Wolfwalkers, and animation, cleanup and visual effects for The Summit of the Gods. It also contributed pre-production, production and post-production animation to Ernest and Celestine: A Trip to Gibberitia.

For television and streaming, FOST created hand-drawn story sequences for Stillwater and provided pre-production and production management for SamSam. In 2025, it served as the primary animation production studio for Splinter Cell: Deathwatch, extending its work into adult animated espionage storytelling.

More about FOST Studio

Leadership

The report identifies Damien Brunner as President through Charivari and Thibaut Ruby as General Director. Christelle Marienneau is Studios Director, supported by Studios Coordinator Estelle Leguérinel. Céline Durieux heads the Paris studio, while Alix Ronse heads the Angoulême studio.

Production tools and collaboration

FOST uses Toon Boom Harmony with custom raster and textured brush engines to reproduce tactile illustration styles. Its broader toolset includes Toon Boom Storyboard Pro, TVPaint, Adobe Creative Suite, Blender and Maya. The studio collaborates with audio and post-production companies including Piste Rouge and Hiventy.

Industry milestones

FOST was publicly unveiled at the Annecy International Animation Film Festival in June 2018. Its 2022 Angoulême expansion was reported as creating up to 70 regional jobs within the Magelis animation ecosystem.

Notable credits

9 credits
  • Splinter Cell: Deathwatch
  • Ernest and Celestine: A Trip to Gibberitia
  • My Father's Dragon
  • The Summit of the Gods
  • Wolfwalkers
  • Stillwater
  • SamSam: Cosmic Adventures
  • SamSam
  • Ernest & Célestine, The Collection

Offices

Current and former locations of FOST Studio

3 locations
  • Paris offices

    Headquarters
    Paris, Île-de-France, France
    About this office

    **Office** Status: active Headquarters Address: 28 Boulevard de Port-Royal, 75005 Paris, France Phone: +33 (0)9 72 19 54 89 Opened: 2022 Overall headquarters, production direction and principal animation production studio. --- **Office** Status: active Address: 9 Rue du Champ-de-l'Alouette, 75013 Paris, France Secondary Parisian production floor accommodating artist teams and project units. --- **Office** Status: inactive / historical Address: 10 Villa d'Orléans, 75014 Paris, France Opened: 2019 Closed: 2022 Former Paris establishment operated from November 2019 until November 2022.

  • Angoulême office

    2 Place de l'Hôtel de Ville, 16000 Angoulême, FranceAngoulême, Nouvelle-Aquitaine, France

    Opened 2022

    Regional 2D animation production and pre-production studio within the Pôle Image Magelis animation hub.

  • Montrouge office

    Former office
    87 Rue Gabriel Péri, 92120 Montrouge, FranceMontrouge, Île-de-France, France

    Opened 2018 · Closed 2022

    Former establishment closed in December 2022 upon consolidation into Port-Royal.

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