Ravindra Bharathi holds a master's degree in Structural Engineering and started his career in the construction industry. He took up software development in 2001 and has since worked in domains such as education, digital media marketing/advertising, enterprise search, and energy management systems. He has a keen interest in search-based applications that involve data visualization, mashups, and dashboards. He blogs at http://ravindrabharathi.blogspot.com.
Juan Grande is an Informatics Engineering student at Universidad de Buenos Aires, Argentina. He has worked with Java-related technologies since 2005, when he started as web applications developer, gaining experience in technologies such as Struts, Hibernate, and Spring. Since 2010, he has worked as search consultant for Plug Tree. He also works as an undergraduate teaching assistant in programming-related subjects since 2006. His other topic of interest is experimental physics, where he has a paper published.