Sébastien Doeraene is a compiler/runtime systems hacker and a Scala enthusiast. Best known as the author of Scala.js, he is now executive director of the Scala Center. He holds a PhD from EPFL, having worked under the supervision of Prof. Martin Odersky, and a master’s degree in computer science engineering from Université catholique de Louvain in Belgium. When he is not busy coding, he sings in choirs and a cappella groups such as the Ensemble Vocal Évohé, or composes for said choirs.