Kaleidos
Iván is a Software Engineer and Systems Administrator with 14 years of experience. He discovered Grails 5 years ago and since then he develops almost exclusively using Groovy.
He's also the coordinator of the Madrid Groovy User Group (@madridgug), the organizer of the Greach Conference (http://greachconf.com) and a frequent speaker at conferences like Greach, GGX London, GR8Conf, Codemotion, SpringOne 2GX, GeeCon, JDays, Spring IO or ConFess.