Polarium CEO steps down after just eight months – tech veteran takes the helm

Clas Gunneberg, avgående vd, och Leif Ottosson, ny vd. Foto: pressbild/privat.
13 feb. 2025
09:54
Eight months after taking the reins at Swedish energy storage giant Polarium, a portfolio company of Swedish investment heavyweight Harald Mix, CEO Clas Gunneberg is stepping down.

The company's interim supply chain chief – and Harvard graduate – Leif Ottosson will take over with immediate effect, Impact Loop can reveal.

"We have a fantastic market in front of us," Ottosson says in an exclusive interview with Impact Loop, outlining his vision for the battery maker's next chapter.

The shake-up at Polarium comes after an eventful year for the battery giant. Last June, the company's previous board appointed Clas Gunneberg as new CEO to replace founder Stefan Jansson, who had departed amid disagreements with the board.

But the appointment didn’t last long.

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