Caterpillar CEO Doug Oberhelman to retire next year; Umpleby tapped as successor
Caterpillar Chairman & CEO Oberhelman honored with ARTBA Award
Cat's Oberhelman: "Welcome to the age of smart iron"
Caterpillar mining VP retires amid leadership shakeup
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Caterpillar plans up to 10,000 job cuts as part of extensive $1.5 billion cost reduction plan
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Bloomberg profile of Caterpillar CEO focuses on gap between profits and worker pay
Caterpillar first-quarter profits fall 45% due to inventory cuts, low mining demand
Caterpillar CEO calls for more visas for foreign engineers, path to legal status for undocumented immigrants