Ecolab Splits COO Role to Drive Global Growth
Event summary
- Ecolab divides COO role into two positions: Darrell Brown as Co-COO, Global Markets, and Greg Cook as Co-COO, Global Businesses, effective April 1, 2026.
- Brown, 62, transitions from COO to focus on global markets after 20 years at Ecolab, including leadership in Industrial and Energy divisions.
- Cook, 57, promoted from Institutional Group president to oversee global businesses, bringing 29 years of experience across multiple regions.
- Move follows strong 2025 performance as Ecolab seeks to strengthen market foundations and business growth.
The big picture
Ecolab's restructuring reflects a strategic pivot to deepen market penetration and business performance amid global expansion. The move comes as the company seeks to capitalize on $16 billion in annual sales and a presence in 170 countries, aligning with broader industry trends toward specialized leadership in multinational operations. The split COO role underscores the challenge of balancing regional market needs with enterprise-wide business growth.
What we're watching
- Execution Risk
- How the dual COO structure will impact operational cohesion and growth momentum.
- Leadership Continuity
- Whether Cook can maintain performance levels across global businesses amid leadership transition.
- Market Strategy
- The pace at which Ecolab can strengthen market foundations while pursuing growth opportunities.
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