Chád is an author, instructor and speaker in the software development world. As a recognized authority on Java applications and architectures, he is regularly invited to present technical sessions at software development conferences worldwide.Chád is a contributing author to several Java books: 1. Professional Java E-Commerce (Wrox Press)2. Beginning Java Networking (Wrox Press)3. XML and Web Services Unleashed (Sams Publishing). In addition to authoring books, Chád has served as technical reviewer for Apress where he reviewed 20+ books on Android and Java EE development.Chád has Java certifications from Oracle and IBM. He holds a B.S. in Computer Science from Carnegie Mellon University.