Comparing the expansion of a young biopharma to the maintenance of a home, Terry Rosen, CEO of Arcus Biosciences Inc., pointed out that "If you think you're going to sell your house in six months, you put on a fresh coat of paint and new hardware on the doors. But if you're going to stay for 30 years, you fix everything inside the walls. Nobody can see it, but you've built a much stronger structure."