Tan-Vinh Nguyen is a Switzerland-based Java, Elasticsearch, and Kafka enthusiast. He has more than 15 years experience in enterprise software development. As Elastic Certified Engineer, he works currently for mimacom ag in international Elasticsearch projects. He runs a blog named Cinhtau, where he evaluates technology, concepts, and best practices. His blog posts enable and empower application developers to accomplish their missions.

Marcelo Ochoa works for Dirección TICs of Facultad de Ciencias Exactas at Universidad Nacional del Centro de la Prov. de Buenos Aires and is the CTO at Scotas.com, a company that specializes in near real-time search solutions using Apache Solr and Oracle. He divides his time between university jobs and external projects related to Oracle, open source and big data technologies. Since 2006, he has been part of an Oracle ACE program and was recently incorporated into a Docker Mentor program.

He has coauthored Oracle Database Programming using Java and Web Services and Professional XML Databases, and worked as technical reviewers on several books such as Mastering Apache Solr 7, Learning Elastic Search 6 Video, Mastering Elastic Stack and more.