

Bad Blood: Secrets and Lies in a Silicon Valley Startup is a nonfiction book by journalist John Carreyrou, released May 21, 2018. It covers the rise and fall of Theranos, the multibillion-dollar biotech startup headed by Elizabeth Holmes. The book received critical acclaim, winning the 2018 Financial Times and McKinsey Business Book of the Year Award.
A glimpse inside

Elizabeth Holmes, Theranos’s founder, cultivated a powerful persona modeled after Silicon Valley icons like Steve Jobs. Her charisma and relentless self-promotion drew in investors and employees, masking the company’s deep technical flaws. The book explores how a compelling leader can create a reality distortion field, blinding people to warning signs and encouraging groupthink, ultimately enabling deception on a massive scale.
Theranos exemplified the Silicon Valley mantra of 'fake it till you make it,' but in the realm of healthcare, this mindset proved disastrous. Carreyrou details how the company’s promises far outpaced its technological capabilities, leading to dangerous shortcuts, manipulated data, and ultimately, putting patients at risk. The book interrogates the ethical boundaries of entrepreneurial optimism versus outright fraud.
Ratings at a glance
- 1The Cult of Personality
- 2The Dangers of 'Fake It Till You Make It'
- 3Failures of Oversight and Due Diligence
- 4The Human Cost of Corporate Deception
- 5The Power and Peril of Whistleblowing
Popular quotes from Bad Blood
“The story of Theranos is an unsettling reminder that in Silicon Valley, the line between visionary and fraudster can be razor-thin.”