Meet Russia's richest woman, a self-made billionaire who founded her e-commerce company on maternity leave

Tech Insider
Tatyana Bakalchuk sits in front of a microphone at an event
Russian billionaire Tatyana Bakalchuk.

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How Spanx founder Sara Blakely makes and spends her $1.1 billion fortune

Tech Insider
Sara Blakely
Sara Blakely.

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