Cosan names Guilherme Penin interim CEO effective Jan. 4, 2027

CSAN•2026-11-14

Cosan appointed Guilherme Penin interim CEO effective Jan. 4, 2027, replacing Marcelo Eduardo Martins, whose resignation takes effect that day.

1. Leadership change

Penin currently serves as Cosan’s vice president of strategy, communications and institutional relations. He has more than 20 years of infrastructure-sector experience and 10 years with the group.

Sources

Cosan names Guilherme Penin interim CEO effective Jan. 4, 2027

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Cosan names Guilherme Penin interim CEO effective Jan. 4, 2027

1. Leadership change

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Cosan names Guilherme Penin interim CEO effective Jan. 4, 2027

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