Deidra C. Merriwether is the Chief Financial Officer of W.W. Grainger, Inc., a Fortune 500 industrial supply company and one of the world’s leading distributors of maintenance, repair, and operating (MRO) products. In her role, she oversees Grainger’s global finance organization, including financial planning and analysis, accounting, treasury, tax, audit, investor relations, and enterprise risk management, supporting a multibillion-dollar enterprise serving millions of customers worldwide.

Ms. Merriwether is a highly respected finance executive with deep expertise in corporate finance, capital allocation, operational excellence, and large-scale transformation. She is known for her ability to align financial strategy with long-term business objectives, drive disciplined growth, and deliver value for shareholders while supporting innovation and operational agility across complex global organizations.

Prior to becoming CFO, Ms. Merriwether held senior leadership roles within Grainger’s finance organization, where she was instrumental in advancing financial transparency, strengthening governance, and supporting the company’s digital and supply-chain evolution. Her leadership style is marked by rigor, clarity, and collaboration, enabling teams to navigate market volatility while maintaining strong financial performance.

Beyond her executive responsibilities, Ms. Merriwether is recognized as a trusted advisor to the executive leadership team and Board of Directors, bringing a strategic perspective shaped by experience across multiple business cycles and economic environments. She is also a strong advocate for leadership development, inclusion, and building high-performing teams.

Through her stewardship at W.W. Grainger, Inc., Deidra C. Merriwether continues to exemplify modern financial leadership, balancing disciplined fiscal management with forward-looking strategy to support sustainable growth, innovation, and long-term enterprise value.