"Optimisation always inhibits evolution." We're continuing our season "Mission-Driven CEOs". Top Chief Execs talk about the impact they want to make beyond just the financials - in terms of the company mission and their personal leadership legacy - and how they put that into practice on a daily basis.  Today Richard Medcalf talks with Saket Kumar, the Chief Exec of Vitt, a business that helps software companies raise immediate, upfront growth capital - without debt or dilution.