Valerio De SanctisValerio De Sanctis is a skilled IT professional with 20 years of experience in lead programming, web-based development, and project management using ASP.NET, PHP, Java, and JavaScript-based frameworks. He held senior positions at a range of financialand insurance companies, most recently serving as Chief Technology and Security Officer at a leading IT service provider for top-tier insurance groups. He's an active member of the Stack Exchange Network, providing advice and tips on the StackOverflow, ServerFault, and SuperUser communities; he's also a Microsoft Most Valuable Professional (MVP) for Developer Technologies. He's the founder and owner of Ryadel and author of many best-selling books on back-end and front-end web development. Read More Read Less