Joseph Lau is currently a graduate student at Stanford University, studying towards his M.S. in Computer Science. During his summers, he's interned at LinkedIn and Google in various technical positions. Android programming is a hobby of his, and he has written several Android applications. He believes mobile applications are a key component of technical innovation in the 21st century and thinks it's a great time to pick up Android programming if you haven't yet.
Prashant Thakkar (Pandhi) is a Technical Lead with more than seven years of IT experience. His strengths are Java, J2EE with frameworks like Struts, Hibernate, and related open source frameworks. Prashant has been working on Android for more than two years and has delivered mission-critical Enterprise Mobile Applications. His interests also include Google App Engine for delivering applications in the cloud. Prashant writes about his technical experiments on his blogs at http://ppandhi.wordpress.com and http://androidpartaker.wordpress.com