David MacLennan – Biography
Last update: April 23, 2026Executive profile
David was President and Chief Financial Officer at Cargill Energy, and Managing Director at Value Investment Group. David MacLennan joined Ecolab in 1991. David served as Chief Operating Officer and Interim Chief Financial Officer for Ecolab.
David MacLennan is currentlyDirector at Caterpillar - View - Caterpillar org chart
Lead Independent Director and Chair of the Governance Committee at Ecolab - View - Ecolab org chart
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Education
David MacLennan has a Bachelor of Arts in English from Amherst College and a Master of Business Administration in Finance from University of Chicago.
They have also studied at Amherst College :
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They have also studied at University of Chicago :
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Company Colleagues
- At Caterpillar, David MacLennan has 179 colleagues including Joe Creed (CEO & Chairman), Judith Marks (Director)…
- At Ecolab, David MacLennan has 92 colleagues including Christophe Beck (CEO & Chairman), Judson Althoff (Director)…
Industry Colleagues
- In the Chemicals industry, David MacLennan has 17,142 colleagues in 907 companies located in 66 countries. 10,213 executive movements have been recorded in the last 12 months. Learn more about Chemicals.
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