Bio

Java Champion, Oracle Groundbreaker Ambassador, Grails Rock Star, and author of the books ''Kotlin Cookbook'' (O'Reilly), ''Modern Java Recipes'' (O'Reilly), ''Gradle Recipes for Android'' (O'Reilly), and ''Making Java Groovy'' (Manning). Author of a dozen video courses available on Safari Books Online. Regular speaker on the No Fluff, Just Stuff conference tour, and has given keynotes at conferences around the world. Technical training specializes in topics related to Java and open source, including Spring, Hibernate/JPA, Groovy, Grails, Gradle, Android, and Kotlin.