Miodrag Milanovic, aka Micko, is the current coordinator for the MAME project. He took over the MAME project lead from Angelo Salese on April 26, 2012.
Miodrag also became the MESS project coordinator beginning on April 4, 2011, when he took over the MESS project coordinator position from Nathan Woods. Miodrag helped to coordinate that project's full merger with MAME.
He also has an old separate MAME/MESS development blog at http://micko-wip.blogspot.com.