My name is Sridhar Dhanapalan, and I am the Engineering Manager at OLPC Australia.
I am known as Yama online (irc.freenode.net, etc.). Please do not confuse me with Yamaplos.
About me: http://www.dhanapalan.com/blog/about/
Summary of FLOSS contributions: https://wiki.ubuntu.com/SridharDhanapalan
Sugar Labs Wiki page: http://wiki.sugarlabs.org/go/User:Sridhar
Some OLPC-related presentations I've given: