Former MySQL boss Marten Mickos says there's still "more to develop and more territory to conquer", and predicts Microsoft will "become one of the biggest friends of open source". In an exclusive interview, former MySQL boss and silicon.com Agenda Setter, Marten Mickos talks to Tim Ferguson about the state of open source, Oracle's plans to buy Sun Microsystems and the value of working with people who are smarter than you. Marten Mickos is probably best known for his time as chief executive of open source database company MySQL, a position he held from 2001 until the beginning of 2009.