Vik is a co-founder of Foresite Labs. He was previously the chief scientific officer of GRAIL, a life sciences company working to detect cancer early when it can be cured, and remains on its Scientific Advisory Board. He is also the co-founder and former chief scientific officer of Verily (formerly Google Life Sciences) and served as chair of its Scientific Advisory Board. A former academic principal investigator, Vik retains appointments as associate professor (consulting) at the Stanford School of Medicine, and as an affiliate scientist of the Lawrence Berkeley National Laboratory and the University of California, Berkeley, for which he serves on the advisory board of the College of Chemistry. He is an advisor to the Department of Defense through the Defense Science Board’s Task Force on Biology.