The mysterious story of former Theranos president Sunny Balwani, who former employees saw as an ‘enforcer’ and the SEC charged with fraud

Shayanne Gal/Business Insider

• During the rise and fall of Theranos, one of the company’s top executives stayed mainly out of the spotlight: its then-president Sunny Balwani. 
• Not much is known about Balwani, who Wall Street Journal investigative reporter and author of “Bad Blood” John Carreyrou found was in a romantic relationship with Theranos founder and CEO Elizabeth Holmes during the time he was at the company. 
• In his new book, Carreyrou details the role Balwani played in the company’s culture as the “enforcer,” as well as its downfall. 

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Throughout the saga of Theranos, the embattled blood testing company that came under fire in 2015 over the accuracy of its blood tests, one key figure remained out of the spotlight. 

While Theranos founder and CEO Elizabeth Holmes countered claims at conferences and in TV interviews, the company’s president and chief operating officer — and Holmes’ romantic partner for a time — Sunny Balwani stayed a mystery. See the rest of the story at Business Insider

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