Álvaro is a 36 year-old IT entrepreneur, based in Madrid, Spain. Founder and CTO at 8Kdata (www.8kdata.com), a database R&D company, he spends most of his time working on the ToroDB (www.torodb.com) project, the first NoSQL-on-SQL database, a MongoDB-compatible database that runs on top of PostgreSQL. He is a passionate software developer and open source advocate. Álvaro is a Java software developer, but also a DBA, trainer and frequent lecturer at international conferences. He also founded the PostgreSQL Spanish User Group (www.postgrespaña.es), nowadays the 3rd largest PUG in the world, with more than 400 members. Álvaro is available at @ahachete (https://twitter.com/ahachete) and LinkedIn (es.linkedin.com/in/alvarohernandeztortosa).