Arjan Tijms was a JSF (JSR 372) and Security API (JSR 375) EG member, and is currently project lead for a number of Jakarta projects, including Jakarta- Security, Authentication, Authorization, and Faces and Expression Language. He is the co-creator of the popular OmniFaces library for JSF that was a 2015 Duke's Choice Award winner, and is the author of two books: The Definitive Guide to JSF- and Pro CDI 2 in Java EE 8. Arjan holds an MSc degree in computer science from the University of Leiden, The Netherlands. He has been involved with Jakarta EE Security since 2010, has created a set of tests that most well-known vendors use (IBM, Oracle, Red Hat) to improve their offerings, was part of the JSR 375 (EE Security) EG, and has been the main architect of the security API and its initial RI implementation Soteria. Arjan has also written and certified the MicroProfile JWT implementation for Payara. He was mentored by Sun's (later Oracle's) security expert Ron Monzillo. He wrote a large series of blog posts about EE Security that have attracted a lot of views.
Werner Keil is a cloud architect, Eclipse RCP, and a microservice expert for a large bank. He helps Global 500 Enterprises across industries and leading IT vendors. He worked for over 30 years as an IT manager, PM, coach, and SW architect and consultant for the finance, mobile, media, transport, and public sectors. Werner develops enterprise systems using Java, Java/Jakarta EE, Oracle, IBM, Spring or Microsoft technologies, JavaScript, Node, Angular, and dynamic or functional languages. He is a Committer at Apache Foundation, and Eclipse Foundation, a Babel Language Champion, UOMo Project Lead, and active member of the Java Community Process in JSRs such as 321 (Trusted Java), 344 (JSF 2.2), 354 (Money, also Maintenance Lead), 358/364 (JCP.next), 362 (Portlet 3), 363 (Unit-API 1), 365 (CDI 2), 366 (Java EE 8), 375 (Java EE Security), 380 (Bean Validation 2), and 385 (Unit-API 2, also Spec Lead), and was the longest serving Individual Member of the Executive Committee for nine years in a row until 2017. Werner is currently the Community representative in the Jakarta EE Specification Committee. He was among the first five Jakarta EE Ambassadors when it was founded as Java EE Guardians, and is a member of its Leadership Council.
Teo Bais is a Software Development Manager, Scrum Master, and Programmer who contributes to the prosperity of the (software) community in several ways. He is the founder and leader of Utrecht Java User Group, which counts over 2600 members and has hosted over 45 events and amazing speakers (among others, James Gosling, Uncle Bob, and over 20 Java Champions), and is running 3 programs: Devoxx4kids, Speaker Incubator and uJCP. Teo served JSR-385 (JSR of the Year 2019) as an EG Member and was nominated as JCP Participant of the Year in 2019. Teo Bais enjoys sharing his knowledge as a public speaker to help others achieve their goals in career and life.