Ivo Balbaert is currently a lecturer for (Web) Programming and Databases at CVO Antwerpen (www.cvoantwerpen.be), a community college in Belgium. He received a Ph.D. in Applied Physics from University of Antwerp in 1986. He worked for 20 years in the software industry as a developer and consultant in several companies, and for 10 years as a project manager at the University Hospital of Antwerp. From 2000 onward, he switched to partly teaching and partly developing software (KHM Mechelen, CVO Antwerp). He also wrote an introductory book in Dutch about developing in Ruby and Rails: Programmer en met Ruby en Rails, Van Duuren Media, ISBN: 9789059403659, 2009, 420 p. In 2012, he authored a book on the Go programming language: The Way To Go, IUniverse, ISBN: 9781469769172, 600 p. Dzenan Ridjanovic is a university professor who is planning his early retirement to focus on the development of web applications with Dart, HTML5, web components, and NoSQL databases. For more than 10 years, he was a Director of Research and Development in the Silverrun team (http://www. silverrun.com/), which created several commercial tools for analysis, design, and development of datadriven applications. He was a principal developer of Modelibra (http://www.modelibra.org/) tools and frameworks for modeldriven development in Java. Recently, he has been developing the Dartling framework for design and code generation of Dart models. His projects are at GitHub (https:// github.com/dzenanr), where he is considered a Dart expert (http://osrc.dfm. io/dzenanr). He writes about his projects at On Dart blog (http://dzenanr. github.io/). His courses are available at On Dart Education (http://ondart. me/). He markets his Dart efforts at On Dart G+ Page (https://plus.google. com/+OndartMe). Dzenan Ridjanovic wrote a book in 2009, under the Creative Commons License, entitled Spiral Development of Dynamic Web Applications: Using Modelibra and Wicket (http://www.modelibra.org/).