About the Reviewer

Jannis Muething works as a freelance developer and designer for mobile applications. He is currently based in Dortmund, Germany and has been developing for mobile devices with a focus on iOS since 2009. Since 2014, he has been working for smartcircles mHealth AG, where he is involved in many projects. Recently he has also been doing security research focused on the protection of private data on mobile devices. Prior to mobile/iOS design and development, he worked at Materna GmbH, where he mainly did Java development. He can be found on the web at http://jannis.co and on Twitter at @j4nnis.