"Open-Source Democracy 101"... 3 Leaders in less than five years: Ryan Dahl(2009-2012) -> Isaac Z. Schlueter(2012-2013) -> Timothy J Fontaine(2014-2016?)
Python's code_swarm: http://vimeo.com/1093745
A good leader makes themselves obsolete by taking the community somewhere new. A bad leader gets themselves into a problem they can't fix. Either way, occasional change is good and healthy :)