Kalen Delaney

Seattle, WA, USA

Kalen Delaney has been working with SQL Server since 1987, and provides performance consulting services as well as advanced SQL Server training to clients around the world, using her own custom-developed curriculum. She has been a SQL Server MVP since 1993 and has been writing about SQL Server almost as long. Kalen has spoken at dozens of technical conferences, including almost every US PASS conference since the organization’s founding in 1999. Kalen has been a contributing editor and columnist for SQL Server Magazine and the author or co-author of several of the most deeply technical books on SQL Server, including SQL Server 2012 Internals and SQL Server Internals: In-memory OLTP.


  • Working with SQL Server since 1987.
  • Helped design and deliver performance tuning and database internals courses for both Microsoft and Sybase.
  • Author of the most advanced SQL Server books on the market.


SQL Server Expert
Relational Databases
Performance Tuning
Database Internals