Tarun Kumar Bhadauria has been working in the field of software testing for about 8 years. He has worked on a gamut of software testing areas, that is, manual testing, automated UI testing, and performance testing. He has always had a penchant for Selenium and has been using it for the past 4 years. He is also the coauthor of the official Selenium document available at the Selenium headquarters. He is currently working at Zalando as a quality engineer.

Viacheslav Klevchenia studied at KPI, specializing in applied physics. Since 2008, he has been working in the field of QA and testing, and is engaged in automation testing of websites since 2012. Previously, he was interested in literature as a hobby, and now, he is currently keen in the field of public review of technical documentation (user manuals, specifications, and many more).

Sreenath Sasikumar is currently a self-employed software professional and consultant working on open source projects. He specializes in automation testing and web application security. He is an active member of OWASP and also a volunteer at Mozilla Firefox.

He worked for IBM, QBurst, and DBG, helping small and enterprise clients with their automation and security needs.

He supports OWASP and initiated the official Google+ community of OWASP and also contributes to its projects. He is also the owner of the largest software testing community in Google+.

He has created eight Mozilla add-ons, one of which, Clear Console, was listed as the best add-on of the month in March 2013. It was also selected as one of the best Mozilla add-ons of the year in 2013. With a user base of more than 38,000, it has registered more than 525,000 downloads to date. He has also created the world's first, one-of-a-kind security testing browser bundle, PenQ.

Sreenath is also a regular speaker at technology events. In addition to webinars, he has also been a speaker at Google DevFest, Technopark GTech Conference, Coffee at DBG, Unicom Testing Conference, and many more.