Michał Mach is an entrepreneur, trainer, consultant, project manager, software designer and just a regular participant in many nonprofit sector technology projects over the past 18 years. He’s passionate about pragmatic approaches to using the Internet and IT for social good, and fiercely believes in openness, transparency, knowledge sharing and all things free (as in freedom, not free beer). He’s a Co-founder of the CiviCRM project, an open source constituent relationship management (CRM) software for non-profits. He’s also a founding member of a few organisations, among them Association 61 and the Warsaw Hackerspace Association, as well as a regular member and adviser to many others. He’s a frequent co-organiser and facilitator of good old- (or new?) fashioned face-to-face participatory events like hackathons, code sprints, book sprints, etc.