By Millie Turner The former president of Theranos was sentenced to nearly 13 years in prison last night for defrauding investors and patients before the defunct health-tech firm’s collapse. Ramesh “Sunny” Balwani, the former chief operating officer of the blood testing group, faces a longer jail term than founder and former girlfriend Elizabeth Holmes. The 155-month prison sentence for Balwani, 57, was granted over his role in deceiving Silicon Valley investors into believing Theranos, founded in 2003, had successfully created miniaturised machines that could accurately run a broad array of me…