William Duarte is a Delphi Certified Developer and Embarcadero Regional MVP Coordinator. He began his career in 2005 as a programmer. He was recognized as an internationally certified Retail Technical Consultant by Retail Pro in 2007. He is a specialist in commercial automation and desktop/mobile development, and the author of a book in PortugueseDelphi for Android and iOS, by Brasport, 2015. He is currently working as a consultant for the Brazilian Navy and retail chain stores.