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Bad Blood: Secrets and Lies in a Silicon Valley Startup Hardcover – Import, 31 May 2018
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- Print length320 pages
- LanguageEnglish
- PublisherPicador
- Publication date31 May 2018
- Reading age18 years and up
- Dimensions16.2 x 3.5 x 24.1 cm
- ISBN-101509868062
- ISBN-13978-1509868063
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- “The presence of the same or similar delusional ideas in two persons closely associated with one another.”Highlighted by 1,247 Kindle readers
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Review
Riveting . . . a blistering critique of Silicon Valley, a kind of nonfiction corollary to Dave Eggers's The Circle . . . compelling . . . [Carreyrou's] unmasking of Theranos is a tale of David and Goliath . . . The real heroes, though, are his sources: the young scientists who worked at the company and risked their reputations and careers by voicing their concerns. Were it not for their courage, Theranos might still be testing blood today Author: David Crow Source: Financial Times
I couldn’t put down this thriller with a tragic ending . . . a book so compelling that I couldn’t turn away . . . This book has everything: elaborate scams, corporate intrigue, magazine cover stories, ruined family relationships, and the demise of a company once valued at nearly $10 billion . . . No wonder Hollywood is already planning to turn it into a movie. Author: Bill Gates, '5 books I loved in 2018'
If you’re looking for an engaging non-fiction read, look no further than Bad Blood . . . a pacy, compelling narrative about white-collar crime that’s as incredible as any work of fiction. Source: Irish Times
Carreyrou tells the story virtually to perfection . . . Bad Blood reads like a West Coast version of All the President’s Men. Source: New York Times
In this Silicon Valley drama, he opens his reporter’s notebook to deliver a tale of corporate fraud and legal browbeating that reads like a crime thriller. Author: The 10 Best Nonfiction Books of 2018 Source: TIME
Gripping . . . Carreyrou presents the scientific, human, legal and social sides of the story in full . . . He unveils many dark secrets of Theranos that have not previously been laid bare. Source: Nature
Gripping . . . It is a parable, with all the usual, delicious ingredients of human folly: greed, pride, vanity, lust, anger. Above all, it is an analysis of the phenomenon of hype. Source: Daily Telegraph
Simply one of the best books about a startup ever. Source: Forbes
Bad Blood reveals a crucial truth: outside observers must act as the eyes, the ears and, most importantly, the voice of Silicon Valley’s blind spot . . . It gambled not with our smart phones, our attention or our democracy, but with people’s lives. Source: Paste
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Product details
- Publisher : Picador (31 May 2018)
- Language : English
- Hardcover : 320 pages
- ISBN-10 : 1509868062
- ISBN-13 : 978-1509868063
- Reading age : 18 years and up
- Item Weight : 590 g
- Dimensions : 16.2 x 3.5 x 24.1 cm
- Best Sellers Rank: #660,192 in Books (See Top 100 in Books)
- #839 in Journalism Books
- #4,813 in True Accounts (Books)
- #5,802 in Industries
- Customer Reviews:
About the author

John Carreyrou is a Pulitzer Prize-winning reporter and a nonfiction author. His first book, "Bad Blood: Secrets and Lies in a Silicon Valley Startup," chronicles Silicon Valley's biggest fraud. Please direct any speaking queries to speakers@penguinrandomhouse.com
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If books like The Lean startup, Zero to One, The Innovation Stack, and The Right it showed us how startups and entrepreneur's drive an idea or initiative to success, Bad Blood brings out examples of how not-to run a startup, across technical, people-centric, and impact-centric angles. Just like I recommended the former books, I would also recommend Bad Blood as a book that warns any prospective entrepreneur on pitfalls and mindsets that would lead to downfall in a startup culture
John's writing literally transports you, as an invisible viewer, as the events get recorded and at one point in time, you will feel, why you couldn't have stopped what Elizabeth Holmes was trying to do to the characters in the book. John's integrity and moral compass show through, even as he is tried to be intimidated by Theranos lawyers at crucial points in the story. His ethical stance against letting go of sources and withstanding fire from the dragon's mouth are inspiring, to say the least. John's character descriptions and the capturing of emotions all across the book is one of the strong points of his writing that help readers to visualize the characters in their minds vividly
All said, I am happy that I had the chance to read the book, before the movie potentially in the works gets released, with Jennifer Lawrence set to play Elizabeth Holmes (at the time of my writing this)
I was 2 years late actually to read this fascinating “business thriller”. I was awed by the initial success story of Theranos and Elizabeth Holmes, touted as the next Steve Jobs. And from 2016 onwards the dirty details started coming out about Theranos and the whole saga of its Silicon Valley deception that featured the greatest stalwarts of the VC community, the Academia, the federal government, the Military, the R&D researchers. How Walmart and Safeway were taken for a ride. The greatest names in Law got involved.
John Carreyrou “Bad Blood” is fabulous. If you haven’t read it then please do. Dec 2021, the first sentence was out in the case, and much more is due. It’s a story of how greed is always not good and how charm, charisma and cunning can come together to fool some of the “best minds”. Its "fake-it-till-you-make-it" at its worst!. From Zero to Billions to Zero.
Bill Gates had recommended this in his yearly booklist in 2019. In his words – “ ‘Bad Blood’ tackles some serious ethical questions, but it is ultimately a thriller with a tragic ending. It’s a fun read full of bizarre details that will make you gasp out loud.”

Reviewed in India 🇮🇳 on 3 February 2022
I was 2 years late actually to read this fascinating “business thriller”. I was awed by the initial success story of Theranos and Elizabeth Holmes, touted as the next Steve Jobs. And from 2016 onwards the dirty details started coming out about Theranos and the whole saga of its Silicon Valley deception that featured the greatest stalwarts of the VC community, the Academia, the federal government, the Military, the R&D researchers. How Walmart and Safeway were taken for a ride. The greatest names in Law got involved.
John Carreyrou “Bad Blood” is fabulous. If you haven’t read it then please do. Dec 2021, the first sentence was out in the case, and much more is due. It’s a story of how greed is always not good and how charm, charisma and cunning can come together to fool some of the “best minds”. Its "fake-it-till-you-make-it" at its worst!. From Zero to Billions to Zero.
Bill Gates had recommended this in his yearly booklist in 2019. In his words – “ ‘Bad Blood’ tackles some serious ethical questions, but it is ultimately a thriller with a tragic ending. It’s a fun read full of bizarre details that will make you gasp out loud.”

At a glance, it seems like any other story about a delusional person surrounded by yes-men in power, trying to put a dent in the planet. But it is so much more. John Carreyrou's in-depth research into the matter shines throughout the book. I was a little skeptical going in, ready to skim through the jargons that I was sure would make no sense. But John's writing was so accessible that it surprised me when mental images conjured up about the Theranos devices and anger raised every time he mentioned Sunny Balwani and his management style.
I did some initial research on Elizabeth before picking up the book, and I was left with a sinking feeling. 'How did no one realize what was happening for so long? The board members specifically.
John has explored that very well. I could not keep this book down. After an initial glance at the first 50 pages, I burned through the rest in one day. The way John has weaved the story by taking hundreds of moving pieces into a narrative is commendable. I am so looking forward to watching this played in a movie.
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I'd like to compliment the author. The depth of the investigation is extraordinary; but most importantly, the narration is done in this perfect documentary style when even the most chilling events are described with high precision but without falling into emotional judgement.
I also would like to say a big thank you to all the sources and contributors who made this book possible. You're very brave people; I applaud your courage and ethics.

Carryrou's book covers three and a half years of investigation into Theranos, its founder Elizabeth Holmes and her meteoric rise and spectacular fall in the obsessive pursuit of a dream. Its a fascinating read and Carryrou uses his research to tell the story from the beginning. The story of his investigations as a Wall Street Journal reporter follows the cronological order of events and is documented towards the end of the book.
Essentially, Elizabeth Holmes developed a start-up in Silicon Valley where she attempted to develop a device which could provide multiple blood test analyses for a range of conditions and diseases in a box not much larger that a large bread-bin. For the user only a small pinprick of blood was required to complete all these tests.
This would be a game changer. Some day, every home could have one and for a small charge could carry out blood tests and have them analysed almost immediately, providing early warning of developing conditions. What's not to like? Nothing it seemed.
What makes this book so fascinating, as well as the central characters and story, are the themes it explores such as:
Greed and denial
The historty of Silicon Valley start-ups is one where investors always try and get in at the beginning of potentially novel ideas and make a killing. Think Google, Facebook and Uber. Two things drive this. The idea and the confidence/ expertise/drive of those taking it forward. In the case of Theranos Elizabeth Holmes force of personality outweighed any doubts about the concept or the execution. However at the time she started Theranos, she was 19 and a Stanford dropout with no experience in blood testing whatsoever, beyond a grand idea and good connections.
Holmes exerted an almost Svengali like hold of the people in her orbit. This is partly to do with her physical appearance. Tall; striking blue unblinking eyes; dessed in black turtle necks (a la Steve Jobs) and speaking in a baritone voice. Supremely confident in both her idea and herself she managed to persuade and recruit a Board of former ex- Government Cabinet members; a 4 star General (Jim Mattis of Trump fame) and big name investors, who blinded by either the promise of the idea or the money to be made from it, were sufficiently incurous as to seek the detail of how this invention actually worked. People and organisations such as Walgreens were happy to put hundreds of millions of dollars investment into Theranos without demanding independent expert due diligence of the product.
At the time of Theranos's demise it was valued as a private company at $9bn, with Holmes's share of that valuation at $4.5. Up to that point no investor in Theranos had seen the inner working of the product or questioned the fabulous claims made for it. Neither had any member of her company Board.
Secrecy and lies
Holmes and her senior executive partner were secretive to the point of paranoia over their idea. Two reasons for this. First they were genuinely concerned about their ideas being stolen, but as time went on and they could not get their invention to work the secrecy hid a raft of corner cutting, false promises and outright lies as to how the equipment was performing. Only those in Theranos working on the project could see how far from the truth the claimes Holmes made for the product and its readiness to market actually were. Some turned a blind eye while those with professional or ethical concerns were either fired or left, all under rigourous confidentiality clauses.
This secrecy coupled with an agressive management style also stifiled the creative initiative of the Theranos team. Knowledge was power and developers were deliberately siloed to ensure they only worked on their own area so the ability to share thinking across the firm was severly limited.
Weaponising the law
What I found perhaps most shocking of all is the way the agressive use of the threat of litigation is used to force compliance, especially against those who cannot financially afford to fight their corner. The lawyers who command the most fees are the legal pit bulls of the industry. Holmes spares no expense in protecting her secrets and covering her lies with the determined use of agressive legal firms and the threats of legal action to force whistleblowers to keep silent. This extends to Carryrou as well. Of the $900m raised by Holmes in her third funding round, $300m went on lawyers fees!
Regulatory incuriousity
The FDA and other regulators seemed broadly incurious about the claims for this machine and remained so until things started to go badly wrong when what was essentially an idea at prototype stage went live to the public. The degree to which private companies can avoid such scrutiny is alarming.
The debate is still ongoing as to whether Holmes deliberately misled or had sociopathic tendencies. The story is not over. She is now charged with alleged Federal and SEC crimes which carry up to 20 years in prison.
I highly recommend this book, which I think will become a textbook on leadership, governance failure and greed.I also recommend Gibney's HBO documentary which brings to life the people and events in the book, not least Elizabeth Holmes herself. It also adds visual detail on the development of the blood testing device in the way Carryrou's book can not.
Hope this is helpful.

And so, we come to the story of Theranos, Elizabeth Holmes and Sunny Balwani. I have encountered numerous individuals like these two in my career and remain amazed that so many people continue to get taken in by such thoroughly disingenuous and reprehensible characters. There are a couple of pertinent factors at play here. Fundamentally, lying is a trait common to all human beings, and even in a case where it is prolific and sustained over a long period of time as here, it is not a criminal offence. It is only when harm of some kind results, be it physical or financial, that legal action can be taken, and even then those in the dock are innocent until proven guilty, which can be an insurmountable burden for the victims. The other factor seems to be that human beings in general instinctively believe and trust what they are told, based on their perception of the other party, and even when such perception is wrong, having been a carefully crafted lie, people only hear what they want to hear. I know from bitter experience that it can be near impossible to call these people out without getting yourself branded as negative, cynical, a glass half-fuller, not a team player etc. etc.
This book goes into detail and one conjures up little sympathy for the high-profile investors who ended up with an early bath in this sorry saga. These were all intelligent educated people who should have undertaken appropriate due diligence on the opportunity they were presented with but didn’t. Either they believed the web of lies they were fed by Theranos or assumed without verifying it that their fellow investors had undertaken due diligence, thus negating the need to repeat it. Unbelievably, even when warning bells were rung directly under their noses by various Theranos employees, most failed to take notice or instigate any action to seek out the facts. Arrogance combined with ignorance is a powerful combination that is hard to tackle. And let’s be honest; these guys were in it to make a financial killing anyway so what does that say about their own greed.
This book stands out as fabulous investigative journalism. It reads almost like a thriller. The reader can’t wait to learn what happens next, whilst continually wondering if the good guys are going to win at the end of the day. And who are the good guys in such a story anyway….?
It will be remarkably interesting to see what happens in the aftermath. Holmes and Balwani are to be tried separately after being indicted on multiple counts of fraud for misleading investors, government officials and consumers about Theranos' technology. Balwani has said he will fight. Holmes denies any wrongdoing and has pleaded not guilty. She is awaiting criminal trial and has unsurprisingly attached herself to a new love interest from a wealthy family which gives her access to plenty of finance and top-notch legal firepower to mount her defence. She has already created a picture that government regulators overreacted when a reporter from The Wall Street Journal pushed them to investigate and misunderstood what was going on at Theranos. Her other line will be that she did not personally benefit from what took place at Theranos under her leadership; if there were no proceeds of crime, there is no premeditated crime to answer for etc. However, that seems contentious given the executive lifestyle she enjoyed at the company’s expense, including a full funded home and car, luxury accommodation, travel by private jet, and a gaggle of personal bodyguards 24/7.
Read this book if you want an insight into the way that some hi-tech companies raise and (mis)spend money with gullible investors. It is both shocking and sad to see just how low smart and highly placed people stoop in pursuit of their own dreams. This is an excellently documented modern example of the outrageous lengths that unsavoury solipsistic individuals with dubious moral compasses and an overwhelming urge to attain personal wealth and recognition will go…. whilst destroying hard-working people’s lives and careers in the process. A thoroughly enjoyable read and highly recommended.

John is a journalist at the Wall Street Journal and he got a “sniff” that things weren’t right at the company, Theranos. It’s CEO, Elizabeth Holmes, in October 2014 was on the front cover of Forbes magazine and her net worth was $4.5 billion. Following Carreyrou’s investigation, Forbes revised this estimate to zero in 2016.
So where did it all go wrong? Well, that’s why you need to read the book.
Carreyrou details the culture of fear within the business, the culture of selling something that didn’t exist. Now remember, that what Theranos did was test blood.
Now, if you went for a blood test, you would expect this to be with tried and tested technology and you would believe the result that came back. If the result came back and it suggested you might have prostate cancer, your world would change. Just think about the things that would go through your head. Playing fast and loose with patient’s data is morally wrong, but where did it all go wrong?