Thomas Limoncelli

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Thomas A. Limoncelli is the author of O'Reilly's Time Management for System Administration. Tom is an internationally recognized author, speaker, system administrator, and DevOps advocate. His other book projects include The Practice of System and Network Administration and The Practice of Cloud System Administration (Pearson). He works in New York City at He's previously worked at Google, Bell Labs/Lucent, AT&T, and other companies. His blog is and he tweets @YesThatTom. His "Everything Sysadmin" column in ACM Queue Magazine appears 3 times a year. He holds a B.A. in Computer Science from Drew University. He lives in New Jersey.