Alexandros Sakellariou

COO | Building self-operating systems | Agentic AI, SaaS & tech-enabled services | From operational chaos to scalable growth | Hardware Tech Entepreneur | Medical Devices |

Greece

About

🚀 Scaling Startups | COO | SaaS | Big Data | MedTech | Digital Transformation | Robotics RaaS | Hardware engineer I thrive in fast-paced startup environments, transforming ideas into scalable businesses. From engineering to executive leadership, I have built high-performing teams, optimized business processes, and driven growth in SaaS, data, health tech, and medical devices. As a seasoned executive in technology startups, I specialize in scaling organizations from early-stage to Series C and beyond. Whether in Big Data, SaaS, or Medical Devices, I thrive in high-pressure environments, turning ideas into structured, scalable operations with a relentless focus on growth, efficiency, and execution. I bridge strategy with execution, optimizing customer success, supply chain, and post-acquisition integrations to unlock sustainable growth.

Experience

  • VP Operational Excellence and Customer Success at Orfium
    Jun 2022 - Present · 4 yrs 1 mo

    I lead a multi-functional team delivering seamless SaaS solutions globally. My role spans the entire customer lifecycle—from post-contract execution to onboarding, integration, and service delivery—ensuring exceptional customer experiences and operational efficiency. Key Achievements & Responsibilities: • Streamlined integration, onboarding, and service delivery, cutting timelines by 45% and accelerating time-to-revenue. • Built high-performing teams by fostering ownership, accountability, and continuous improvement. • Restructured operational functions, enhancing efficiency, reducing redundancies, and improving client satisfaction. • Led the Salesforce implementation, consolidating tools and processes into a unified system, enabling automation and process visibility. • Digitized 70% of core workflows, including sales, onboarding, and reporting, creating a single source of truth and improving collaboration. • Introduced KPIs and dashboards to monitor service health, reduce costs, and optimize processes. • Partnered with Product, Engineering, and Business Development to deliver client-centric solutions aligned with technical capabilities. Key Outcomes: • Improved time-to-revenue by aligning teams, removing bottlenecks, and standardizing offerings. • Achieved 70% operational digitalization, enhancing transparency and accelerating workflows. • Delivered cost savings and increased scalability through workflow optimization and automation.

  • Chief Operating Officer at KINVENT Biomecanique
    Jun 2020 - May 2022 · 2 yrs

    As Chief Operating Officer at KINVENT Biomecanique, I led operational restructuring, digital transformation, and strategic scaling to support exponential growth in production and revenue. I standardized processes, implemented ERP systems, and optimized supply chain processes, resulting in a revenue increase from €100K/year to €3.5M/year. Key Achievements & Responsibilities: • Operational Restructuring: Standardized processes, including design, inventory, production, and delivery workflows. Established quality management systems to comply with ISO 13485 and achieve certification. • ERP Implementation & Digitalization: Digitized operations with ERP systems, covering lead-to-delivery: lead management, logistics, and support. Streamlined supply chain processes, from vendor assessment to QC and final product delivery. • Production Scaling: Boosted production capacity from €30K/month to €450K/month by optimizing workflows. Scaled revenue from €100K/year to €3.5M/year, establishing KINVENT as a competitive market player. • Supply Chain Management: Designed vendor management processes, including assessments, risk evaluations, and stock strategies. Ensured seamless logistics to meet growing operational demands. • Compliance & Testing: Oversaw compliance testing, including EMC and drop tests, ensuring product reliability. Defined intended use and managed SKUs for new product developments. Key Skills: Operational Strategy & Process Design ERP Implementation & Digital Transformation ISO 13485 Certification & Quality Management Systems Supply Chain Optimization & Vendor Management Risk Assessments & Change Management Production Scaling & Revenue Growth Product Testing & Compliance Management Impact: Structured workflows to support 5 medical device products. Implemented traceability systems and enhanced after-sales support. Enabled exponential growth in production and revenue, positioning KINVENT for long-term success.

  • Paradox Kinetics (Greece)
    • Chief Executive Officer
      Dec 2017 - Jun 2020 · 2 yrs 7 mos

      Paradox Kinetics is a company founded with a vision to revolutionise the bicycle industry and change peoples transporation habits. by Developed a high end complete technology solution which can turn any conventional bike to an ebike. The product is set to be the most lightweight drive system in the high power e-bike market. - US Patent - High efficient - Low Weight - High power - Regulated Torque - Retrofit mount system - Robust design - Color options - Carbon fiber components - OEM Solution

    • Head Of Production
      Mar 2017 - Dec 2017 · 10 mos

      - Responsible for accomplishing project objectives. - Creating clear and attainable project objective - Building the project requirements -Set up & manage material planning and purchasing processes to optimize cost and ensure on time material availability to meet manufacturing needs - Author and/or review documentation - Manage global and regional submissions - Negotiate related costs - Provide leadership on regulatory interactions and preparation of meetings with regulatory agencies - Actively participate in Regulatory Affairs and Quality building and improving QA and QC EMC 61000-6 ETSI EN301 489 FCC IATA-UN38.3 EN62281 EN62368 LVD Supply chain management Regulation FMEA - CAPA

  • R& D Mechanical Engineer - Concept Design - Product development - Quality Assurace at Juvaplus - MMS SA
    Feb 2014 - Jan 2017 · 3 yrs

    Developed and brought to market several medical device used for injecting fluids into the body. - Filing of a strong patent application of the device that was designed. - Establishing collaboration with prominent suppliers / partners. - Design for manufacture - Design ergonomics - Design for assembly - Design for molding -Design and develop medical devices - Assuring manufacturability of the products subcomponents and the assembly of the product itself - Ensure compliance to quality standards and regulatory requirements (FDA, CE Marking, ISO 13485 ) - Specify and perform acceptance tests (performance, statistical quality, verification, validation) in collaboration with internal laboratories (design verification, design control) - Coordinate and Manage R&D activities. - Responsible for Product Safety. -QA and QC -CAPA -FMEA (application - manufacturing - assembly)

  • Sales Engineer at Belimo
    Jan 2009 - Feb 2014 · 5 yrs 2 mos

    Sales and specify the products of belimo. Water and Air Fire and smoke control Technical Support for HVAC systems Consulting Engineering Creating Market