It can be a long climb to the top of the corporate ladder. We asked tech CEOs who’ve reached the highest rung to share their first job experiences. Some were entrepreneurs at an early age, offering lawn-mowing and scuba diving services. Others toiled in the fields and factories. Many got their hands dirty, scrubbing oil stains off asphalt, cleaning bathrooms, and shoveling monkey cages. Here are their stories. (See also 12 career tips from tech CEOs.)
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