SoftBank Taps Arm CEO for Bigger Role in Masa’s Pivot to Chips

April 21, 2026, 2:15 PM UTC

SoftBank Group Corp.is appointing Arm Holdings Plc’s chief Rene Haas to lead its international operations as part of founder Masayoshi Son’s push into AI chipmaking.

Haas, who will remain CEO of Arm, will now head San Carlos, California-based SoftBank Group International and help the group’s chip and AI companies work together, the Japanese investor said in a statement Tuesday. SoftBank owns almost 90% of Arm and has acquired chipmakers Ampere Computing LLC and Graphcore Ltd. in recent years.

Rene Haas
Photographer: David Paul Morris/Bloomberg

The appointment coincides with chip designer Arm’s push to sell its own semiconductors, part of Son’s ambition ...

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