One year ago, Peter Carlsson stepped down as CEO of the battery manufacturer Northvolt as the company filed for Chapter 11 bankruptcy in the US, after raising (and losing much of) $9bn. Last week, he was at Slush launching his new startup, Aris Machina, with cofounder Siddarth Khullar.

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Interview
November 25, 2025
Ex-Northvolt CEO speaks out: ‘It was like pouring diesel on a fire’
Peter Carlsson sits down with Sifted one year after resigning as Northvolt CEO
6 min read
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