Otto Kekäläinen is the CEO of the MariaDB Foundation, CEO of Seravo Oy and the chairman of the FUUG Foundation. Otto has been using Linux and other open source technologies for over 15 years, and has been advocating open source for almost as long. The list of projects and organizations Otto has been involved in is long, with the most prominent ones being COSS in Finland and FSFE in Europe. As a software developer Otto has insight into the technical side of open source, and as a CEO and entrepreneur he also knows how to use open source in business successfully. Otto likes to share his experiences on how to use open source to its full potential and how the world can keep increasing the benefits of open source software and the its methodologies.