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Thierry CastrilloTC

Thierry Castrillo

Transformation-Operations-Engineering Director

€1,250/day
Paris, FR
15+ years

Average response time: 1 hour

Freelancer profile translated to English.
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About Thierry

Industrial and R&D Transformation Director – Complex Programs >€100M


20+ years of experience in complex industrial environments (defense, aeronautics, medtech, electronics).
I intervene when industrial programs or R&D organizations are **stalled, drifting, or under severe pressure**, requiring **rapid and structured recovery**.

My approach combines:

  • Rapid root cause analysis
  • Restructuring of processes and governance
  • Realignment of teams
  • Immediate operational execution

Key achievements:

  • Unblocked critical situations that had persisted for years
  • Restructured entire departments (up to 500+ engineers and PhDs)
  • Deliveredcomplex industrial programs under severe constraints (>€100M)
  • Generated+€30M in revenue and €6M in savings
  • Experience indemanding environments (DGA, export control, quality standards)

Profile for international assignments:

  • Mobile internationally – rapid on-site intervention, optimized hybrid follow-up
  • Experienced in multi-site management, intercultural teams, and high-pressure situations
  • Available for assignmentsin premium and international environments
-> Recovery of struggling industrial or R&D programs
-> High-impact organizational transformation (>€100M)
-> Structuring and scaling of large teams
-> Situations requiringimmediate operational leadership
  • French

    Native or bilingual

  • Spanish

    Native or bilingual

  • English

    Fluent

Can work on-site
Paris (up to 50km), Bordeaux (up to 50km), Menton (up to 50km), Thonon-les-Bains (up to 50km), Lannion (up to 50km)

Experience

  • ACTEON Group (MedTech – Satelec)
    R&D Director
    MEDICAL
    March 2024 - Today (2 years and 5 months)
    Mérignac, France
    🇫🇷 FR

    Led the transformation of an R&D department stalled for 6 years in a highly regulated MedTech environment.

    Rapid analysis of organizational and process blockages, followed by a redesign of the development cycle to improve prioritization, execution efficiency, and quality compliance.

    Delivered a strategic technical dossier in 4 months that was considered unachievable within 6 months, while preparing and securing a critical quality audit.

    Re-mobilized teams, developed managers, and sustainably transformed the R&D function into a high-performing, results-oriented organization.

    🇬🇧 EN

    Led the turnaround of an R&D organization that had been deadlocked for six years in a highly regulated MedTech environment.

    Conducted a rapid assessment of organizational and process bottlenecks, then redesigned the development framework to improve prioritization, execution efficiency, and quality compliance.

    Successfully delivered a strategic technical dossier in four months—despite being considered unattainable within a six-month timeframe—while concurrently preparing and securing a business-critical quality audit.

    Restored team engagement, strengthened leadership capabilities, and transformed the R&D function into a sustainable, performance-driven organization.

    Key outcomes / Résultats clés
    • R&D turnaround after 6 years of stagnation / Relance d'une R&D bloquée depuis 6 ans
    • Strategic technical file delivered in 4 months / Dossier stratégique livré en 4 mois
    • Critical quality audit secured / Audit qualité critique sécurisé
    • Sustainable organizational transformation / Transformation organisationnelle durable
    Operational Recovery R&D Management Quality & Compliance Organizational Transformation Crisis Management
  • DĂ©fense Angels
    Business Angel
    DEFENSE AND MILITARY
    January 2023 - February 2024 (1 year and 1 month)
    Paris, France
    🇫🇷 FR

    Investor and strategic advisor to Defense & Security startups.

    Performed technical due diligence, advised executives, mentored, and structured technology roadmaps to support growth and reduce execution risks.

    Managed critical programs for military support, including environments related to combat aircraft, artificial intelligence, and connected systems.

    Led organizational transformations, reorganized departments, coordinated supply chain, production, and operational support functions, with a constant focus on cost control, deadlines, and performance.

    🇬🇧 EN

    Business Angel and Strategic Advisor supporting Defense & Security startups.

    Performed technical due diligence, executive mentoring, and technology roadmap structuring to accelerate growth while mitigating execution and technology risks.

    Led critical military support programs involving combat aircraft environments, artificial intelligence, and connected systems.

    Drove organizational transformations, department restructuring, and cross-functional coordination across supply chain, production, and operational support, with a strong focus on cost optimization, delivery performance, and operational excellence.

    Key outcomes / Résultats clés
    • Technical due diligence and investment advisory / Due diligence technique et conseil à l’investissement
    • Executive mentoring and technology strategy / Mentoring de dirigeants et stratégie technologique
    • Critical defense and military support programs / Programmes critiques défense et soutien militaire
    • Department turnaround and operational transformation / Réorganisation et transformation opérationnelle
    • Cost, delivery and performance optimization / Optimisation des coûts, délais et performance
    Supply Chain Operational Excellence
  • Dassault Aviation
    Project Director
    AVIATION AND AEROSPACE
    January 2022 - January 2023 (1 year)
    France
    🇫🇷 FR

    Transformation engagement in a highly critical Defense & Aerospace environment.

    Intervened on strategic military support programs facing major operational performance and knowledge transfer challenges.

    Resolved an organizational and structural deadlock persisting for over 20 years in a few weeks, despite several successive interventions by consulting firms.

    Led a complete departmental transformation: SWOT analysis, target vision definition, strategic roadmap development, governance implementation, and operational process redesign.

    Created key functions that were previously non-existent, secured critical knowledge before the departure of long-term experts, and sustainably strengthened operational resilience.

    🇬🇧 EN

    Transformation engagement within a highly critical Defense & Aerospace environment.

    Intervened on strategic military support programs facing significant operational, performance, and knowledge-retention challenges.

    Resolved within a few weeks a structural and organizational issue that had remained unsolved for more than 20 years despite multiple consulting engagements.

    Led the full transformation of the department, including SWOT assessment, target operating model definition, strategic roadmap development, governance implementation, and process redesign.

    Established critical functions that previously did not exist, secured the transfer of key expertise ahead of senior expert departures, and strengthened long-term operational resilience.

    Key outcomes / Résultats clés
    • 20+ year structural issue resolved / Blocage structurel de +20 ans résolu
    • Strategic military support environment / Environnement critique de soutien militaire
    • Department-wide transformation / Transformation complète d’un département
    • Governance and operating model redesign / Refonte de la gouvernance et du modèle opérationnel
    Complex Program Management Crisis Management Industrial Transformation Operational Excellence Supply Chain

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Education

  • Engineering Degree
    EPITA Paris
    2002
    Diplôme d'Ingénieur
  • Mergers & Acquisitions Program
    HEC Paris Executive Education
    2020
    Formation M&A

Certifications

  • COFRAC
    LCIE / Bureau Veritas
  • Business Management & Creation
    CCI Paris / Chambre des Métiers

Skill set

Categories