India, Nov. 11 -- Jake Leach, who started his career washing laboratory equipment for $10 an hour, is now the CEO of Dexcom, a US healthcare technology company valued at approximately $30 billion.

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According to a Fortune report, Leach began working at insulin pump manufacturer MiniMed in the 1990s after his high-school girlfriend offered him the chance to take over her internship position.

At the time, he was a teenager trying to save money for community college. His responsibilities included washing beakers, flasks and other laboratory equipment.

Nearly three decades later, the 48-year-old leads one of the biggest companies in diabetes management technol...