Chris Hogg Contributor Share on Twitter Chris Hogg is a digital health advocate interested in how new forms of health data are changing the relationship between physician and patient. As CCO of Propeller Health, he leads the company's San Francisco office and oversees the pharma BD, health system and payer sales, clinical and medical affairs and data science teams. Silicon Valley is obsessed with growth. And for digital health startups, that obsession is not only misguided, but dangerous.