
I by IMD How Mars CEO Poul Weihrauch is future-proofing the legacy of one of the world’s largest family-owned companies
Jul 28, 2025
Poul Weihrauch, CEO of Mars, Inc., leads the 114-year-old family-owned company towards purpose-driven growth and sustainability. He discusses how family ownership allows him to prioritize long-term goals over short-term profits. Weihrauch outlines Mars’ innovative ‘Compass’ metrics for success, integrating financial performance with societal impact. He shares insights on substantial sustainability investments and the unique strategy behind their approach to acquisitions. Emphasizing people development, he highlights how Mars embeds core principles into its culture, while balancing the pressures of performance and purpose.
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How Mars Evolved From Candy To Pet Care
- Mars began as a chocolate company and expanded into pet food after acquiring a Manchester facility.
- Subsequent wartime moves added a rice business, explaining today's snack, pet and food segments.
Business Mix Will Shift After Kelanova Deal
- Pet care now generates roughly 60% of Mars' revenue, snacks the remainder, with food a small share.
- The Kelanova deal will rebalance the portfolio so snacking and pet care are similar in size.
Long-Term Ownership Enables Purpose-Driven Strategy
- Family ownership gives Mars the freedom to focus on multi-generational impact rather than quarterly returns.
- Mars reinvests over 90% of earnings and links leadership pay to non-financial goals to sustain long-term purpose.

