Sentinel Bio's Joshua Monrad on the Dutch entrepreneur who used DNA synthesis to build a vaccine against his own cancer: "One of my favorite examples of DNA synthesis is a recent story of a Dutch entrepreneur, Sid Sijbrandij, who you should definitely look up, going in his words founder mode on his own cancer, building a whole team around trying to treat his own cancer." "One of the many levers they pulled, they actually developed a personalized cancer vaccine to prevent recurrence. To do…