Andrew Duncan and Stuart AshworthAndrew Duncan is a technologist and businessman from Scotland. He has a combined passion for IT and business and now runs his own company, SwarmOnline, which specializes in cloud and mobile applications. Although Andrew is a managing director, he is lso an experienced and highly competent technologist and solutions architect. His first experience with Ext JS was in 2009 when he introduced the framework into the NHS. Since then, he's become passionate about Sencha and its technologies. As experts in Sencha technologies, Andrew and his team employ them regularly to build rich and complex business applications. His experience lead him to coauthor Ext JS 4 Web Application Development Cookbook, Packt Publishing and he is now a sought-after conference speaker, having previously spoken at numerous technology events across the globe. You can follow him on twitter by @andrewmduncan and email him at andrew@swarmonline.com. Read More Read Less