Jana Tepe
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Jana Tepe, 29, Germany

16 November 2015 Last updated at 15:15 GMT

Jana is founder and chief executive of Tandemploy, a job-sharing platform. It is designed to help people interested in working part-time to find a counterpart to share a position. Then it helps them get in touch with companies offering job sharing opportunities.

Her advice for all aspiring business leaders: Work smarter instead of harder.

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