Mart Roosmaa is a senior software consultant. He has worked with a wide range of technologies over the years, ranging from backend to embedded to desktop development, and most recently, mobile app development. He prefers to create Android applications with Xamarin/C#, as it allows him to deliver better results faster.

Ed Snider is a senior software developer at InfernoRed Technology, a speaker, and a Xamarin MVP based in the DC/Northern VA area. He has a passion for mobile development. He regularly speaks at local user groups and community events and is the organizer of the DC and Northern VA Mobile .NET Developers group. He is primarily focused on building mobile solutions on the Windows, iOS, and Android platforms for small and large organizations and has been working with .NET for over 10 years. He blogs at http://www.edsnider.net and can be found on Twitter at http://www.twitter.com/edsnider.

Adrian Stevens has over 14 years of experience in developing mobile applications, specializing in C# and C++ cross-platform development. He founded and led a successful mobile consulting company.

Adrian is also an experienced author and instructor, having written several published articles on mobile and IoT development as well as authored the curriculum on cross-platform development.

Adrian's expertise includes wireless communication, architecture, data processing, and mathematics.

He is based out of Vancouver, Canada, and co-runs a C# cross-platform development Meetup community.

Michael Williams is a hybrid mobile architect. He is an insightful, result-driven IT professional with notable experience in creating his own business, developing mobile applications for IOS, Android, and Windows Phone. He also has experience in game development, directing a broad range of corporate IT initiatives, and participating in the planning, analysis, and implementation of solutions in support of business objectives. He has hands-on experience in all the stages of system development, including the requirements definition, design, architecture, testing, and support.

His previous employers include IBM, Sound Therapy International, and Bepoz. He currently works for DNS Technology, Radio DI, and Flush Arcade (his own company).