On Holding has named co-founders David Allemann and Caspar Coppetti as co-CEOs, replacing Martin Hoffmann after a five-year tenure as CEO, as the Swiss sneaker maker looks to scale globally. The leadership shakeup comes as On is preparing to enter its "next growth phase," the company said in a statement Wednesday. On shares were down 4% in premarket trading. Earlier this month, the company forecasted that sales growth would slow more than expected this year, sending shares sharply lower. "We