Edwin Marcellin

​Executive Director Technology & Innovation | CTO | Strategic Portfolio Leader | Software, Services & Sustainability

Grenoble, Auvergne-Rhône-Alpes, France

About

Strategic leader at the intersection of Technology (CTO) and Commercial Excellence (Portfolio Sales), I transform complex technological visions into tangible business growth. With a track record in energy, smart infrastructure, and digital sectors, I operate as a "Business Builder" who aligns innovation with P&L objectives. ​As a Strategic Portfolio Leader, my focus goes beyond oversight: I architect software and service offerings, streamline Go-to-Market strategies, and bridge the gap between technical roadmaps and market demand to maximize customer value and revenue. ​Core Areas of Impact: - ​Business Unit Leadership & Growth: Managing strategic portfolios, optimizing commercial performance, and driving large-scale digital transformation. - ​Tech Strategy & Innovation: Defining future-ready technology visions (Software, Cloud, Smart Infra) that support long-term financial goals. - ​Sustainability & ESG Transformation: Leveraging digital solutions to accelerate the energy transition and deliver high-impact, responsible business outcomes. ​I am a pragmatic leader committed to merging technical excellence with business agility to solve today’s performance challenges and build a sustainable, high-performing future.

Experience

  • Siemens (8 yrs 7 mos)
    • Executive Director | CTO & Business Portfolio Leader | France BELUX Africa
      Oct 2024 - Present · 1 yr 9 mos

      - ​Corporate Governance: Act as a Board Member, contributing to the definition of long-term corporate strategy, risk management, and investment decisions - ​P&L & Portfolio Strategy: Define and execute the strategic roadmap for the Software, Services, and Sustainability portfolio, ensuring growth and alignment with global business targets. - ​Sales Enablement & Go-to-Market: Lead the commercial transformation by bridging technical innovation and sales execution, directly supporting high-value deal closures and strategic partnerships. - ​Business Model Transformation: Architect the transition from Capex-heavy models to recurring revenue streams (SaaS, PaaS, EaaS), optimizing the service-to-software mix for increased profitability. - ​Sustainability & ESG Leadership: Championing the decarbonization strategy at the board level, translating ESG goals into profitable digital offerings and market leadership.

    • Executive Director Technology & Innovation | CTO - France Siemens SI
      Sep 2021 - Present · 4 yrs 10 mos

      Member of the Executive Committee (COMEX) | Siemens SI France - ​Executive Leadership & Strategy: Contributed to the strategic governance and organizational transformation of Siemens SI France as a COMEX member, driving national business objectives. - ​Business Transformation: Spearheaded the transition of traditional industrial activities towards digital-first models, focusing on SaaS/PaaS platforms and Data-Driven Services. - ​Scalable Innovation: Led the development and incubation of high-growth business units in emerging fields, including IoT, Edge Computing, and AI-driven automation. - ​Energy Transition & Smart Infra: Directed large-scale strategic projects for Energy Efficiency, Microgrids, and Electromobility, aligning technological roadmaps with global sustainability goals. - ​Operational Excellence: Supervised the end-to-end delivery of complex digital ecosystems (from Embedded SW to Digital Twin and BIM)

    • Head of Digital Grid Software
      Nov 2019 - Aug 2021 · 1 yr 10 mos

      - Business Unit Development: Led the expansion of the Digital Grid business unit, transforming high-potential technologies into a structured, profitable portfolio of Software and Services. - ​Market Expansion & Strategy: Spearheaded the Go-to-Market strategy for emerging energy sectors, including Renewable Energy, E-mobility, and Microgrids, capturing new market shares in a rapidly evolving landscape. - ​Strategic Solution Design: Directed the development of complex energy ecosystems, ranging from Grid Simulation and Meter Data Management (MDM) to Energy Efficiency and Data-Driven Services. - ​Customer Value Creation: Focused on shifting the value proposition from pure product sales advanced energy services, enhancing long-term recurring revenue. - ​Cross-Functional Leadership: Orchestrated collaboration between engineering, product development, and sales teams to ensure the scalability and reliability of critical energy infrastructure software.

  • Nuclear Process & Training Manager | Safety & Operation at EDF
    Jan 2016 - Nov 2017 · 1 yr 11 mos

    - ​Strategic Safety & Management Training: Designed and led advanced training for reactor operators, focusing on nuclear safety protocols, operational management, and leadership in high-risk environments. - ​Operational Excellence & Risk Governance: Provided expertise on reactor control and safety systems, ensuring that management practices met the most stringent regulatory and security standards. - ​Complex Systems Leadership: Orchestrated knowledge transfer and management development for multi-disciplinary teams, bridging the gap between technical complexity and operational decision-making. - ​Process Expertise: Delivered deep-dive analysis on nuclear processes, focusing on the synergy between human factors, management, and technical safety

  • Head of Energy & Digital Lab - Deputy Managing Director at SuperGrid Institute
    Aug 2011 - Dec 2015 · 4 yrs 5 mos

    - Business Unit & Operations Management: Co-managed lab’s P&L including financial reporting, human resources, and subcontractor oversight. Defined and deployed growth strategies to expand service offerings and strategic partnerships. - ​Large-Scale Project Leadership: Directed complex Power & Storage projects (Hydroelectricity, Microgrids) with budgets of €4M–€5M, orchestrating cross-functional teams and ensuring delivery of high-level technical requirements. - ​Data Science & AI Innovation: Pioneered the development of advanced digital capabilities, including multi-physics optimization, predictive modeling, and AI-driven analytics to improve system performance and reliability. - ​Operational Excellence & Industrial Performance: Guaranteed lab productivity and EHS/5S standards while leading certification acceptance tests with key international customers. - ​Tech Stack Oversight: Managed the integration of IoT testing, Embedded Software, and Data Analytics, transforming raw data into actionable mathematical and statistical models for industrial applications.

  • Founder & CEO | Energy Tech Startup at Start-up
    Aug 2011 - Dec 2012 · 1 yr 5 mos

    - Award-Winning Innovation: Winner of the National Competition for Innovative Products (2012) with a digital solution dedicated to optimizing energy system performance via AI and physical modeling. - ​End-to-End Business Leadership: Built the business model, strategic business plan, and financial structure from the ground up, managing all accounting and fiscal aspects of the venture. - ​Product Strategy & IP: Designed and developed the Proof of Concept (PoC), including AI modeling and software architecture, while managing Intellectual Property (IP) and patents. - ​Market Development: Led the Go-to-Market strategy, managed client relationships, and secured early partnerships to validate the market fit. - ​Agile Management: Implemented agile methodologies for rapid software development and iterative product improvements based on data-driven insights.

  • Energy Performance & System Modeling Engineer at EDF
    Sep 2010 - Aug 2011 · 1 yr

    - Advanced Systems Modeling: Developed complex mathematical and software frameworks using physical modeling, probabilistic simulations, and Machine Learning (ML) to predict and optimize hydroelectric system performance. - ​Asset Optimization & Redesign: Led energetic performance studies to identify operational bottlenecks, resulting in the strategic redesign of powerplants to maximize efficiency and output. - ​Cross-Disciplinary Leadership: Orchestrated performance optimization projects involving multiple engineering disciplines, including Control Systems (I&C), Alternators, and Hydro-Mechanical stress analysis. - ​Industrial Testing & Data Analytics: Planned and executed large-scale field measurement campaigns (Thermodynamic, Ultrasonic, PIV) and transformed raw sensor data into actionable insights for plant reliability. - ​Predictive Performance: Pioneered "Learning Models" to simulate transients and operational limitations, bridging the gap between theoretical physics and industrial productivity.