Rahul Sasi is the Founder of Machine learning based cloud security company CloudSek. He started his career as a Security Researcher at iSight [currently FireEye] He was an Admin member for Garage4hackers.com. Sasi was a Sr Engineer at Citrix where he held the responsibility of making Citrix products hack proof. He was always interested in computers and security basically from movies but never had the opportunity to get involved. Tools I use the most are debuggers [Windbg and Ollydbg], Burpsuite, Decompilers [JD-UI] and Wireshark.”]
Source: http://securityaffairs.co/wordpress/48712/hacking/hacker-interviews-rahul-sasi.html