Marco Schwartz is an electrical engineer, entrepreneur, and blogger. He has a master's degree in electrical engineering and computer science from Supélec, France, and a master's degree in micro engineering from the Ecole Polytechnique Fédérale de Lausanne (EPFL), Switzerland. He has more than five years' experience working in the domain of electrical engineering. Marco's interests center around electronics, home automation, the Arduino and Raspberry Pi platforms, open source hardware projects, and 3D printing. He has several websites about the Arduino, including the Open Home Automation website, which is dedicated to building home automation systems using open source hardware. Marco has written another book on home automation and the Arduino, called Home Automation With Arduino: Automate Your Home Using Open-source Hardware. He has also written a book on how to build Internet of Things projects with the Arduino, called Internet of Things with the Arduino Yun, by Packt Publishing.
Stefan Buttigieg is a medical doctor, mobile developer, and entrepreneur. He graduated as a doctor of medicine and surgery from the University of Malta. He is currently enrolled at the University of Sheffield, where he is pursuing a master's degree in health informatics. He has more than 5 years of experience working in international medical students' organizations, where he occupied various technical positions. He founded MD Geeks, an online community that brings together health professionals, developers, and entrepreneurs from around the world to share their passion for the intersection of healthcare and information technology. He is mostly interested in mobile development, especially for the Android and iOS platforms, open source healthcare projects, user interface design, mobile user experience, and project management.