Characters in Bad Blood

Tyler Shultz

Young Theranos employee and grandson of board member George Shultz who became a key whistleblower against the company.

Erika Cheung

Young Theranos lab employee who, alongside Tyler Shultz, blew the whistle on the company's faulty blood-testing technology.

Elizabeth Holmes

Sunny Balwani

Theranos's COO and Elizabeth Holmes's secret romantic partner, who enforced the company's culture of fear and secrecy.

Larry Ellison

Oracle co-founder who was an early investor in and advisor to Theranos.

George Shultz

Former U.S. Secretary of State and Theranos board member who sided with the company over his own grandson, whistleblower Tyler Shultz.

Theranos

Ramesh Balwani