Ildikó Balla is a user experience designer living in Sydney, Australia, and working at www.reinteractive.net—Australia's largest Ruby on Rails-focused development company.

Her experience in the user experience field includes working on mobile, web, and desktop applications ranging from simple sites to complex back office solutions and e-commerce platforms. Specializing in interaction design and medium-fidelity prototyping, Axure has been Ildikó's tool of choice for the past 6 years.

Ildikó has also been a technical reviewer for Axure RP Prototyping Cookbook by John Henry Krahenbuhl and has contributed to a chapter in Ezra Schwartz and Elizabeth Srail's latest book, Prototyping Essentials with Axure, Packt Publishing.

Sam Spicer is a digital design professional with 14 years of experience. Beginning with frontend development, Sam progressed through his MS in human-computer interaction into the realm of information architecture in the early 2000s. Since then he has contributed to, and led, redesigns and replatforms for international brands ranging from e-commerce and financial services to retail and the food industry. When he's not geeking out on some obscure experience or technical thing, you can find him enjoying time with his family, brewing beer, baking, or otherwise getting into some sort of trouble. He has also reviewed Prototyping Essentials with Axure, Packt Publishing.