Mark Callaghan
MTS, Facebook

Website

Mark leads the MySQL engineering team at Facebook. The team makes MySQL better for a large and critical deployment. The team writes about their work at MySQLatFacebook and publishes patches for MySQL at launchpad.

He previously lead the MySQL engineering team at Google. The team published a popular patch for MySQL that included semi-sync replication, user and table monitoring via SHOW TABLE_STATISTICS and USER_STATISTICS, SMP and IO performance patches for InnoDB, global transaction IDs for replication, row-change logging, transactional replication and many bug fixes.

Prior to Google Mark worked at Identity Engines, Oracle and Informix on database internals. Mark holds an M.S. degree in Computer Science from the University of Wisconsin-Madison. He occasionally writes about MySQL at mysqlha.blogspot.com.