Person ProfileEric RiesCo-Founder and Director · Virgil · San Fransisco/USALeader, Investor, Catalyst, Author1 appearance on IndisightBooks1The Lean StartupThe Lean Startup treats building a business as testing hypotheses, not executing a plan. Build an MVP, measure real customer response, then decide to pivot or persevere. Innovation accounting replaces traditional metrics when revenue and adoption numbers are still too early to trust.Published 2011