Dan Hermes is a Xamarin and Microsoft MVP, software consultant, and founder of Lexicon Systems, an award-winning Xamarin and .NET consulting firm. Mr. Hermes helps developers create great mobile apps and helps businesses develop a winning mobile strategy. His firm's recent Xamarin projects include an app for the Federal Aviation Administration (FAA) called B4UFLY to help recreational drone users fly safely. Another project served a user base of 50,000 orthopedic surgeons to facilitate their medical certification process. Lexicon also built a cross-platform app for Thermo Fisher Scientific which won a W3, a Davey award, and was a finalist for a Xammy award. Mr. Hermes' clientele includes dozens of software-building firms such as Fidelity Investments, EDS, and Computerworld Magazine. He speaks at conferences and teaches software development at colleges, developer user groups, and corporate training centers. Dan is the author of the Apress book Xamarin Mobile Application Development.