Dr. Joonas Lehtinen is the founder of Vaadin project, a Java-based framework for building awesome web UI easily in Java. He is the founder and CEO of the company behind the Vaadin framework and leads a team of 80 engineers who are mostly working in European timezones. While not in a hangout to 10 time zones away from Vaadin’s Silicon Valley offices, Joonas keeps failing in getting rid of his Finnish accent.