Romain Manni Bucau is a senior software engineer who has been involved in Java EE and more particularly Apache projects as a committer (Apache TomEE, OpenWebBeans, Johnzon, BatchEE, OpenJPA, BVal, Meecrowave, and many more) since 2011. He also wrote JavaEE 8 High Performance for Packt. He now works at Talend on Big Data and API projects.
You can follow him on Twitter at @rmannibucau or on his blog at rmannibucau.metawerx.net.

Omar El-Prince is an experienced software engineer with a computer engineering graduate degree and master's degree in computer science from Johns Hopkins University. He has wide experience on working in large Java EE projects at CSRA, Booz Allen Hamilton, HP, EDS, and other companies. He enjoys programming and technology blogging, focused on agile culture, software development, and architecture. He is Java EE enthusiastic and loves learning, mentoring, and helping others.

Bauke Scholtz is an Oracle Java champion and the main creator of the award-winning JSF helper library OmniFaces.  On the internet, he is more commonly known as BalusC, who is among the top contributors on Stack Overflow. He is a web application specialist and consults for clients from fintech, affiliate marketing, social media, and more as part of his 17 years of experience. Bauke has previously reviewed Mastering OmniFaces and wrote The Definitive Guide to JSF in Java EE 8.