Oliver Gierke is engineer at SpringSource, a division of VMware, member of the JPA 2.1 expert group and project lead of the Spring Data JPA, MongoDB and core module. He has been into developing enterprise applications and open source projects for over 6 years now. His working focus is centered around software architecture, Spring and persistence technologies. He is regularly speaking at German and international conferences as well as author of technology papers.
"Spring Data definitely is not light reading, but it is well-written, and provides a good blending of procedures, steps, explanations, code samples, screenshots and other illustrations."
--Si Dunn, Sagecreek Productions