Roger Parloff, a writer and editor of Fortune magazine who wrote a glowing front cover article on Theranos in 2014 as well as a follow-up article in 2015 on Holmes's deceptions.Dan Ariely, a professor of psychology, who discusses potential reasons why Holmes could have given such barefaced lies to the media and her colleagues about how her company operated.Cheung wrote a letter to the clinical regulator CMS, and Shultz provided crucial information for John Carreyrou's article. Cheung and Shultz discussed how the company buried error reports and considered pushback against impossible demands from Holmes as signs of not being a 'team player'. Erika Cheung and Tyler Shultz, two whistleblowers who brought down Theranos despite being extremely junior employees fresh out of college.

Shultz, Henry Kissinger, Sam Nunn, Bill Frist, and James Mattis. Footage is also shown of the parade of wealthy and powerful figures Theranos lured onto their side, whether as investors, consultants, or members of the Board of Directors, such as David Boies, George P. Gibney also shows how Holmes and Balwani seemed to believe that any criticism must be a plot from their blood-testing competitors Quest Diagnostics and LabCorp to the point of hiring personal bodyguards and leading chants against Quest at employee morale events. Notably, Gibney chronicles how Holmes and Balwani were seemingly more interested in marketing, promotion, naming, and managing the media than in the actual mechanics of their technology working, in negative feedback from medical experts, or in investigating and responding to the allegations in John Carreyrou's article detailing practices at the company.

It also includes visual flashbacks to the era of Thomas Edison, the titular Inventor who famously failed repeatedly before finally succeeding Theranos's miniature blood testing labs were called 'Edisons'. Out for Blood chronicles the rise and fall of Theranos, interspersed with footage of Holmes and her COO Sunny Balwani making grandiose proclamations about Theranos and the value it was providing. It was produced by HBO Documentary Films and Jigsaw Productions with a television premiere on Maon HBO as well as its streaming platforms.

Out for Blood had its world premiere at the Sundance Film Festival on January 24, 2019. It is considered a companion piece to the book, Bad Blood: Secrets and Lies in a Silicon Valley Startup. The film revolves around Elizabeth Holmes and her former company Theranos. The Inventor: Out for Blood in Silicon Valley is a 2019 American documentary film, directed and produced by Alex Gibney.

Inventor out for blood torrent 2019