Samir Bhatt is director and co-founder of KNOWARTH Technologies. He is focused on open source technologies. He has specialized knowledge of Liferay Portal. He co-authored his first book Liferay Beginner's Guide in the year 2011. He authored his second book "Liferay Portal Performance Best Practices" in 2013.He is also Certified Liferay Trainer and conducted many public and private Liferay trainings across the world. Apart from Liferay he is having good knowledge of Big Data technologies like MongoDB, Apache Hadoop.Throughout his carrier he worked on variety of technologies & Frameworks that includes JAVA, J2EE,Visual Basic, Oracle PLSQL, Spring Framework, Struts, Hibernate,Liferay, Pentaho and so on.