David Lewis is a seasoned technology research and advisory executive with significant experience helping clients navigate turbulent market conditions and achieve significant and sustainable cost reduction across Technology and Business Operations functions. He works across all industries helping enterprises develop and execute integrated holistic cost optimization strategies that are actionable. His cost optimization work is supported by ISG’s market leading data and delivered rapidly in a self-funding fashion. David has worked with Fortune 1000 companies across industries on large scale transformational initiatives and digital and disruptive technology programs. He has also negotiated and managed sourcing engagements valued in excess of $10B across IT and business process functions. David has a strong track record of developing and maintaining C-suite relationships.