Tom Limoncelli

Tom is an SRE Manager at and is a co-author of The Practice of System and Network Administration ( He is an internationally recognized author, speaker, system administrator and DevOps advocate. He's also known for other books such as The Practice of Cloud System Administration ( and Time Management for System Administrators (O'Reilly). Previously he's worked at small and large companies including Google, Bell Labs / Lucent, AT&T. His blog is and he tweets @YesThatTom.