Scott Davis is author of the book Groovy Recipes: Greasing the Wheels of Java and two ongoing IBM developerWorks article series (Mastering Grails and in 2009, Practically Groovy). Scott writes extensively about how Groovy and Grails are the future of Java development. He teaches public and private classes on Groovy and Grails for start-ups and Fortune 100 companies.
Scott is the co-founder of the Groovy/Grails Experience conference and is a regular presenter on the international technical conference circuit (including GIDS, No Fluff Just Stuff, JavaOne, OSCON, TheServerSide and QCON). In 2008, Scott was voted the top Rock Star at JavaOne for his talk "Groovy, the Red Pill: How to blow the mind of a buttoned-down Java developer".
Daniel Steinberg has spent the last three decades programming the iPad and iPhone. OK, he hasn't. But he's been programming the iPhone and the iPad since the SDK's first appeared in beta and Mac OS X for many years before. Daniel is the author of the book iPad and iPhone App Development (https://itunes.apple.com/us/book/ipad-iphone-app-development/id571023793?mt=11), the official companion book to the popular iTunes U series from Stanford University taught by Paul Hegarty in Fall 2011.
Venkat Subramaniam, founder of Agile Developer, Inc., has trained and mentored thousands of software developers in the US, Canada, Europe, and Asia. He has significant experience in architecture, design, and development of software applications. Venkat helps his clients effectively apply and succeed with agile practices on their software projects.
Venkat is a frequent invited speaker at various international software conferences and user groups and a Great Indian Developer Summit Alumni.
He is author of .NET Gotchas (OReilly), coauthor of 2007 Jolt Productivity Award winning book Practices of an Agile Developer (Pragmatic Bookshelf) and author of Programming Groovy(Pragmatic Bookshelf).