Marcus Hellberg

International speaker on Web, Java, and DevRel. Expect: food, nature, adventure, random observations. VP of Developer Relations @vaadin

JCON

Java Community Conferences - in-person and online. Imprint, privacy policy: https://t.co/QdWGqGGQ4T

Vlad Mihalcea

@Java Champion working on @Hypersistence Optimizer, author of High-Performance Java Persistence. Blogging at https://t.co/vk0cYzrIit

Adam Bien

Author, JavaONE Rockstar, Consultant, Java Champion, AWS Hero https://t.co/gniBTK2Xdp trainer: https://t.co/NtetbYkf62 podcaster: https://t.co/UZU8MvIS17

💻☕ Richard Fichtner

CEO of @XDEVSoftware, Programmer, Loves Java ❤️☕, Founder JUG Oberpfalz, Co-organizer @jcon_conference, @IBMChampions, @oracleace, Father and Husband