Roland Busch, CEO of Siemens, maintains a minimalist approach to email management, keeping his inbox below 100 messages and often responding with just « OK » or « No ». This efficiency-first mindset extends to his calendar: he has eliminated recurring one-on-one meetings with his direct reports, preferring an open-door policy where executives come to him when needed. Since becoming CEO in 2021, Siemens’ stock has more than doubled, making the German engineering giant the largest publicly-traded company in Germany with a market capitalization of 256 billion dollars. A physicist by training, Busch applies scientific principles to leadership, notably the ability to isolate core variables to make better decisions. His philosophy aligns him with other CEOs like Nvidia’s Jensen Huang and JPMorgan Chase’s Jamie Dimon, who also cut back on meetings to boost productivity.
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