From protégée to whistleblower: A former Theranos scientist says Elizabeth Holmes should ‘come forward and apologize’

She joined Theranos fresh out of the University of California, Berkeley, a self-described “starry-eyed’’ 22-year-old chemist and biologist who saw Elizabeth Holmes as a role model: the CEO who would revolutionize the blood testing industry.

Seven months later, Erika Cheung quit her job as a lab associate at the company and became a disillusioned whistleblower, her life now enveloped by one of the biggest business scandals in American history.