Clare Rozario

Clare Rozario

I am a commercially astute and results-driven senior professional with a proven track record of delivering strategic value and driving growth across complex environments, including retail, energy, and IT sectors. My career spans over 30 years of leading large, multi-disciplinary teams and shaping commercial strategies that optimise performance through innovation, operational excellence, and transformation.

With extensive experience in senior leadership roles across Supplier Relationship Management (SRM), commercial management, service operations, and supplier-facing functions, I bring a broad and agile commercial acumen that aligns with the ambitions and outcomes of forward-thinking organisations. My leadership style is collaborative and coaching-led, empowering teams through context, capability building, and stakeholder alignment.

I am currently concluding a two-year fixed-term tenure with OVO Energy as Head of Commercial Supplier Management and Transformation Lead, ending 28th November 2025. I am available to commence a new role from 1 December 2025.

Kind regards,

Clare Rozario

Commercial Leadership, Programme Delivery & Value-Driven Partnerships 

• Managed complex IT and multi-sector supplier relationships, aligning capabilities with long-term strategic goals and programme outcomes. 
• Delivered year-on-year savings through effective commercial negotiation, performance-based frameworks, and programme-level cost control. 
• Drove technical innovation by fostering supplier-led solutions and co-development initiatives that enhanced service delivery and operational resilience across projects and programmes. 
• Achieved significant uplift in supplier performance through structured governance, KPIs, value creation, and joint continuous improvement initiatives—embedded within programme delivery frameworks. 
• Championed long-term supplier partnerships, fostering trust, innovation, and mutual growth with strategic suppliers across transformation programmes. 
• Embedded ESG principles and responsible business practices into supplier strategies, ensuring ethical sourcing, environmental sustainability, and social impact were integral to procurement and programme delivery. 
• Oversaw cross-functional project portfolios, integrating supplier performance with delivery milestones, risk management, and stakeholder engagement to ensure successful programme execution. 

Strategic Supplier Management & Transformation 

• Designed and implemented lean, scalable operating models that drive agility, efficiency, and long-term value creation. 
• Developed supplier strategies that unlock measurable value across cost, performance and innovation dimensions. 
• Led major transformation programmes that redefined procurement and supplier engagement models, driving measurable improvements in supplier performance, cost control and service quality. 
• Transformed the source-to-pay platform at OVO Energy, improving compliance, spend visibility, and operational efficiency while reducing transactional overhead. 
• Redesigning procurement services into an effective category management model—driving greater agility, strategic focus and deeper supplier collaboration to unlock long-term value. 

Regulatory Engagement & Stakeholder Influence 

• Built trusted relationships with Ofgem, Cabinet Office Crown Representatives, and Strategic Supplier Directors, influencing supplier strategy and regulatory engagement, ensuring transparency, compliance and strategic alignment with industry standards. 
• Collaborative focused engagement with senior stakeholders, shaping strategic direction through clear communication, commercial insight and enabling cross-business synergy for high-impact delivery. 

Leadership & Culture 

• A dedicated and energetic leader that develops an autonomous and empowered team culture, unlocking potential and accelerating capability growth. 
• Recognised for strong coaching capabilities, developing future talent, nurturing leadership opportunities and cultivating resilient teams that thrive in fast-paced, changing environments.

Leadership 

• Effective Strategic Planning and Thinking (TKA) 
• Inspiring Leadership Programme (PL) 
• Leadership Management & Behavioral Development Diploma (SSL) 
• Retail Management Competence Diploma (BIIAB) 

Service Operations/Customer Experience

• Professional Service Strategy Development Diploma (ICS) 
• Professional Service Assessor and Internal Verifier (ICS) 
• Lean CX Service Improvement Programme (SSL) 
• ITIL Service Management Principles 

Supplier Management/Commercial 

• Global Knowledge Effective Vendor Management 
• Gartner Sourcing, Procurement and Vendor Management 
• Strategic SRM Leadership Programme 
• CIPS Level 4 – In progress 
• Sustainability Supply Chain Leader on Net Zero Strategy 

Project Management / Transformational Framework / CI

• Hemsley Fraser Effective Project Management 
• Prince 2 Foundation & Practitioner 
• Agile, Lean & Scrum Methodology Coaching 
• Lean Six Sigma Green Belt 

Learning & Development

• D32 NVQ Assessor, D33 NVQ Advanced Assessor (HAB) 
• D34 NVQ Internal Verifier (HAB) 

Risk & Safety

• Advanced Health and Safety at Work (CIEH) 
• Effective Risk Management (IOSH) 
• Safety for Senior Executives (IOSH) 

Education Profile Secondary School

• 1983-1987 Cardinal Newman School, Hove, Sussex – 8 O’ Levels 

Technical & Professional Skills

• Digital Proficiency: Microsoft Office Suite, Google Workspace, Workday and Oracle ERP platforms, Ivalua and Workday S2P Platforms
• Leadership & Development: Experienced Mentor and Career Coach, supporting professional growth and capability building
• Ethical Impact: Advocate for Responsible Business Practices and Sustainability, championing values-led transformation
• Full UK Driving Licence

Volunteering

• LOCOG London 2012 Paralympic Games: LOCOG Committee and Games Maker (2011-2012) 
• RNLI: Head of Water Safety - Newhaven Lifeboat Station (2024 – present)