Michael Juntao Yuan, Entrepreneur, Author, and Scientist. Entrepreneur and technologist in the area of enterprise computing and consumer mobile technologies. Author or lead author of 5 books on software engineering from leading publishers such as Addison-Wesley, Prentice Hall, and O'Reilly Associates. The book "Enterprise J2ME", originally published by Prentice Hall in 2003, is considered a pioneering work on end-to-end enterprise mobile computing, and it is a best seller on Amazon.com after being adapted as textbook in several universities. It is translated into 4 different languages and is still in print around the world. Co-founded Ringful LLC in 2008 to focus specifically on patient-centered and consumer driven healthcare applications. Specialties: iPhone web and SDK development; Facebook and Open Social application development; Server side Java technologies, in particular, JBoss Enterprise Platform and Java EE 5.0; PHP development and PHP frameworks; Java on mobile phones (Java ME) and especially BlackBerry; Porting Java ME applications to a variety of devices; Application platform on Nokia Series 40 and Series 60 phones.